23191530256 has 40 divisors (see below), whose sum is σ = 45885232800. Its totient is φ = 11351815680.

The previous prime is 23191530209. The next prime is 23191530293. The reversal of 23191530256 is 65203519132.

It is a super-2 number, since 2×23191530256² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176535 + ... + 278473.

It is an arithmetic number, because the mean of its divisors is an integer number (1147130820).

Almost surely, 2^23191530256 is an apocalyptic number.

It is an amenable number.

23191530256 is a deficient number, since it is larger than the sum of its proper divisors (22693702544).

23191530256 is a wasteful number, since it uses less digits than its factorization.

23191530256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102247 (or 102241 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 23191530256 in words is "twenty-three billion, one hundred ninety-one million, five hundred thirty thousand, two hundred fifty-six".