23510255525172 has 60 divisors (see below), whose sum is σ = 66188179028356. Its totient is φ = 7233924775680.

The previous prime is 23510255525143. The next prime is 23510255525173. The reversal of 23510255525172 is 27152555201532.

23510255525172 is a `hidden beast` number, since 2 + 3 + 5 + 1 + 0 + 2 + 55 + 525 + 1 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5075306088336 + 18434949436836 = 2252844^2 + 4293594^2 .

It is a super-2 number, since 2×23510255525172² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23510255525173) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2790861829 + ... + 2790870252.

Almost surely, 2^{23510255525172} is an apocalyptic number.

It is an amenable number.

23510255525172 is an abundant number, since it is smaller than the sum of its proper divisors (42677923503184).

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

23510255525172 is a wasteful number, since it uses less digits than its factorization.

23510255525172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581732110 (or 5581732099 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 23510255525172 in words is "twenty-three trillion, five hundred ten billion, two hundred fifty-five million, five hundred twenty-five thousand, one hundred seventy-two".