23215983256 has 16 divisors (see below), whose sum is σ = 43538612040. Its totient is φ = 11605686720.

The previous prime is 23215983253. The next prime is 23215983293. The reversal of 23215983256 is 65238951232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23215983251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244926 + ... + 326221.

Almost surely, 2^23215983256 is an apocalyptic number.

It is an amenable number.

23215983256 is a deficient number, since it is larger than the sum of its proper divisors (20322628784).

23215983256 is a wasteful number, since it uses less digits than its factorization.

23215983256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576234 (or 576230 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 23215983256 in words is "twenty-three billion, two hundred fifteen million, nine hundred eighty-three thousand, two hundred fifty-six".