general_fact: 23170 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 23170 is an unremarkable number.
trivia: 23170 is an unremarkable number.
historical_date: June 8th is the day in 1953 that the United States Supreme Court rules that Washington, D.C. restaurants could not refuse to serve black patrons.