23025655032165 has 12 divisors (see below), whose sum is σ = 39911135389164. Its totient is φ = 12280349350464.

The previous prime is 23025655032161. The next prime is 23025655032167. The reversal of 23025655032165 is 56123055652032.

It is a happy number.

23025655032165 is a `hidden beast` number, since 2 + 3 + 0 + 2 + 5 + 6 + 550 + 32 + 1 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14108730433281 + 8916924598884 = 3756159^2 + 2986122^2 .

It is not a de Polignac number, because 23025655032165 - 2² = 23025655032161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 511681222937 = 23025655032165 / (2 + 3 + 0 + 2 + 5 + 6 + 5 + 5 + 0 + 3 + 2 + 1 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 23025655032165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23025655032161) 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, 255840611424 + ... + 255840611513.

It is an arithmetic number, because the mean of its divisors is an integer number (3325927949097).

Almost surely, 2^{23025655032165} is an apocalyptic number.

It is an amenable number.

23025655032165 is a deficient number, since it is larger than the sum of its proper divisors (16885480356999).

23025655032165 is a wasteful number, since it uses less digits than its factorization.

23025655032165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511681222948 (or 511681222945 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 23025655032165 in words is "twenty-three trillion, twenty-five billion, six hundred fifty-five million, thirty-two thousand, one hundred sixty-five".