23297856 has 28 divisors (see below), whose sum is σ = 61642752. Its totient is φ = 7765888.

The previous prime is 23297849. The next prime is 23297863. The reversal of 23297856 is 65879232.

It is an interprime number because it is at equal distance from previous prime (23297849) and next prime (23297863).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60480 + ... + 60863.

Almost surely, 2^23297856 is an apocalyptic number.

It is an amenable number.

23297856 is an abundant number, since it is smaller than the sum of its proper divisors (38344896).

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

23297856 is a wasteful number, since it uses less digits than its factorization.

23297856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121358 (or 121348 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 23297856 is about 4826.7852655779. The cubic root of 23297856 is about 285.6090637301.

The spelling of 23297856 in words is "twenty-three million, two hundred ninety-seven thousand, eight hundred fifty-six".