23887572692145 has 16 divisors (see below), whose sum is σ = 38235110529600. Its totient is φ = 12735040695104.

The previous prime is 23887572692117. The next prime is 23887572692149. The reversal of 23887572692145 is 54129627578832.

It is a cyclic number.

It is not a de Polignac number, because 23887572692145 - 2¹¹ = 23887572690097 is a prime.

It is a super-2 number, since 2×23887572692145² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23887572692145.

It is not an unprimeable number, because it can be changed into a prime (23887572692149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312340119 + ... + 312416588.

It is an arithmetic number, because the mean of its divisors is an integer number (2389694408100).

Almost surely, 2^{23887572692145} is an apocalyptic number.

It is an amenable number.

23887572692145 is a deficient number, since it is larger than the sum of its proper divisors (14347537837455).

23887572692145 is a wasteful number, since it uses less digits than its factorization.

23887572692145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624759264.

The product of its digits is 406425600, while the sum is 69.

The spelling of 23887572692145 in words is "twenty-three trillion, eight hundred eighty-seven billion, five hundred seventy-two million, six hundred ninety-two thousand, one hundred forty-five".