Top 10 Most Interesting Stories Behind NBA Jersey Numbers

Even though the number 23 is synonymous with His Airness, the origin of the number is all about his brother Larry. Larry won most of his one-on-one matches against Michael and starred in the Emsley A. Laney High School varsity team that his brother didn’t make, so it was thought that Larry is the one with more basketball talent.

That all changed when Michael grew taller than him, but Michael still picked the number 23 in high school because he wanted to be at least half as good as his brother, who wore 45.
Source: http://espn.go.com/chicago/columns/story?id=4457017&columnist=isaacson_melissa