23057728272 has 50 divisors (see below), whose sum is σ = 66735758958. Its totient is φ = 7685908992.

The previous prime is 23057728271. The next prime is 23057728279. The reversal of 23057728272 is 27282775032.

23057728272 is a `hidden beast` number, since 2 + 3 + 0 + 577 + 2 + 8 + 2 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21902816016 + 1154912256 = 147996^2 + 33984^2 .

It is not an unprimeable number, because it can be changed into a prime (23057728271) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8894433 + ... + 8897024.

Almost surely, 2^23057728272 is an apocalyptic number.

It is an amenable number.

23057728272 is an abundant number, since it is smaller than the sum of its proper divisors (43678030686).

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

23057728272 is a wasteful number, since it uses less digits than its factorization.

23057728272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791477 (or 17791462 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 23057728272 in words is "twenty-three billion, fifty-seven million, seven hundred twenty-eight thousand, two hundred seventy-two".