23

1. There are 23 letters in the Latin alphabet

2. W = 23rd letter of the alphabet, It's symbol is 2 points down, 3 up.

3. 23 is the first prime number in which both digits are prime numbers and add up to another prime number. (2 3 = 5)

4. The number of joints in the human arm is 23.

5. Human beings have 23 pairs of chromosomes

6. It takes 23 seconds for blood to circulate through the human body.

7. The song "Just a perfect day", originally by Lou Reed, has been released in a special BBC edition, and is performed by 23 famous artists

8. In the song "Gett Off", by the artist formerly known as Prince, the lyrics read: "Gett off! Twenty-three positions in a one-night stand".

9. The Police; Their song "Synchronicity I" is 3:23 long.

10. Kurt Cobain; Born 1967: 1 9 6 7=23. Died 1994: 1 9 9 4=23.

11. U2; U is the 21st letter in the alphabet added to the number two gives you 23.

12. There are 23 buildings on the Microsoft campus in Redmond, Washington.

13. Sherlock Holmes and Doctor Watson lived at 221b Baker Street for a period of 23 years.

14. 23 is the lowest positive integer number not scoreable with one dart on a dartboard

15. Julius Caesar was stabbed 23 times when he was assassinated.

16. According to biorhythm theory, everyone has a 23-day physical cycle

17. The world's fastest human can average 23 miles/hour in the 100 meter dash

18. 23 degrees Celsius is "room temperature" on Earth.

19. Asteroid researchers measuring the rotation periods of asteroids reported that none were found with periods of less than 2.3 hours. A rotation period of less than 2.3 hours would cause them to be torn apart.

20. The axis of the planet Earth is 23.5 degrees

21. 63 years, the average lifespan of a human being on the planet Earth, is roughly 23,000 days

22. Nissan is a brand of Japanese cars. In Japanese, "ni" is 2, and "san" is 3. (Although '23' is 'nijuusan')

23. The average smoker smokes 23 butts a day