Fatto generale: 23522 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 23522 is a boring number.
Trivia: 23522 is an unremarkable number.
Data storica: May 25th is the day in 1953 that the first public television station in the United States officially begins broadcasting as KUHT from the campus of the University of Houston.