23497056 has 72 divisors (see below), whose sum is σ = 72904104. Its totient is φ = 7119360.

The previous prime is 23497037. The next prime is 23497057. The reversal of 23497056 is 65079432.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×23497056² = 1104223281334272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23497056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23497057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (1012557).

Almost surely, 2^23497056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23497056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36452052).

23497056 is an abundant number, since it is smaller than the sum of its proper divisors (49407048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23497056 is a wasteful number, since it uses less digits than its factorization.

23497056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444 (or 7433 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 23497056 is about 4847.3761974908. The cubic root of 23497056 is about 286.4207541944.

The spelling of 23497056 in words is "twenty-three million, four hundred ninety-seven thousand, fifty-six".