It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
23442 is an admirable number.
23442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
223442 is an apocalyptic number.
23442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23442 is a wasteful number, since it uses less digits than its factorization.
23442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3912.
The square root of 23442 is about 153.1078051570. The cubic root of 23442 is about 28.6196874894.
Adding to 23442 its reverse (24432), we get a palindrome (47874).
Subtracting 23442 from its reverse (24432), we obtain a triangular number (990 = T44).
The spelling of 23442 in words is "twenty-three thousand, four hundred forty-two", and thus it is an iban number.