23297256 has 48 divisors (see below), whose sum is σ = 63423360. Its totient is φ = 7725600.

The previous prime is 23297251. The next prime is 23297257. The reversal of 23297256 is 65279232.

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 23297256.

It is not an unprimeable number, because it can be changed into a prime (23297251) 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, 15331 + ... + 16781.

It is an arithmetic number, because the mean of its divisors is an integer number (1321320).

Almost surely, 2^23297256 is an apocalyptic number.

It is an amenable number.

23297256 is an abundant number, since it is smaller than the sum of its proper divisors (40126104).

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

23297256 is a wasteful number, since it uses less digits than its factorization.

23297256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1679 counting only the distinct ones).

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

The square root of 23297256 is about 4826.7231120088. The cubic root of 23297256 is about 285.6066119035.

The spelling of 23297256 in words is "twenty-three million, two hundred ninety-seven thousand, two hundred fifty-six".