Fatto generale: 89567 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 89567 is an uninteresting number.
Trivia: 89567 is a boring number.
Data storica: March 23rd is the day in 1931 that Bhagat Singh, Shivaram Rajguru and Sukhdev Thapar are hanged for murder during the Indian struggle for independence.