23057727731172 has 36 divisors (see below), whose sum is σ = 58861889118396. Its totient is φ = 7609811131200.

The previous prime is 23057727731153. The next prime is 23057727731173. The reversal of 23057727731172 is 27113772775032.

It is a happy number.

23057727731172 is a `hidden beast` number, since 2 + 3 + 0 + 57 + 7 + 277 + 311 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12214563664356 + 10843164066816 = 3494934^2 + 3292896^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (23057727731173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3170751003 + ... + 3170758274.

It is an arithmetic number, because the mean of its divisors is an integer number (1635052475511).

Almost surely, 2^{23057727731172} is an apocalyptic number.

It is an amenable number.

23057727731172 is an abundant number, since it is smaller than the sum of its proper divisors (35804161387224).

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

23057727731172 is a wasteful number, since it uses less digits than its factorization.

23057727731172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341509388 (or 6341509383 counting only the distinct ones).

The product of its (nonzero) digits is 6050520, while the sum is 54.

The spelling of 23057727731172 in words is "twenty-three trillion, fifty-seven billion, seven hundred twenty-seven million, seven hundred thirty-one thousand, one hundred seventy-two".