Fait général: 23515 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 23515 is an unremarkable number.
Culture générale: 23515 is an uninteresting number.
Date historique: May 18th is the day in 2006 that the post Loktantra Andolan government passes a landmark bill curtailing the power of the monarchy and making Nepal a secular country.