23383991256 has 32 divisors (see below), whose sum is σ = 61001717760. Its totient is φ = 7455765152.

The previous prime is 23383991237. The next prime is 23383991261. The reversal of 23383991256 is 65219938332.

It is a super-2 number, since 2×23383991256² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23383991199 and 23383991208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21180600 + ... + 21181703.

It is an arithmetic number, because the mean of its divisors is an integer number (1906303680).

Almost surely, 2^23383991256 is an apocalyptic number.

It is an amenable number.

23383991256 is an abundant number, since it is smaller than the sum of its proper divisors (37617726504).

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

23383991256 is a wasteful number, since it uses less digits than its factorization.

23383991256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42362335 (or 42362331 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The spelling of 23383991256 in words is "twenty-three billion, three hundred eighty-three million, nine hundred ninety-one thousand, two hundred fifty-six".