23919053256 has 72 divisors (see below), whose sum is σ = 75357232470. Its totient is φ = 6834014208.

The previous prime is 23919053239. The next prime is 23919053281. The reversal of 23919053256 is 65235091932.

23919053256 is a `hidden beast` number, since 2 + 391 + 9 + 0 + 5 + 3 + 256 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23436548100 + 482505156 = 153090^2 + 21966^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×23919053256² (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 17 ways as a sum of consecutive naturals, for example, 3386361 + ... + 3393416.

Almost surely, 2^23919053256 is an apocalyptic number.

It is an amenable number.

23919053256 is an abundant number, since it is smaller than the sum of its proper divisors (51438179214).

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

23919053256 is a wasteful number, since it uses less digits than its factorization.

23919053256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779803 (or 6779789 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 23919053256 in words is "twenty-three billion, nine hundred nineteen million, fifty-three thousand, two hundred fifty-six".