23087290051 has 32 divisors (see below), whose sum is σ = 27949406720. Its totient is φ = 18629740800.

The previous prime is 23087290027. The next prime is 23087290063. The reversal of 23087290051 is 15009278032.

It is a 8-Lehmer number, since φ(23087290051) divides (23087290051-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 23087290051 - 2⁷ = 23087289923 is a prime.

It is a deceptive number, since it divides R_23087290050.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23087290001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17476471 + ... + 17477791.

It is an arithmetic number, because the mean of its divisors is an integer number (873418960).

Almost surely, 2^23087290051 is an apocalyptic number.

23087290051 is the 87726-th hex number.

23087290051 is a deficient number, since it is larger than the sum of its proper divisors (4862116669).

23087290051 is a wasteful number, since it uses less digits than its factorization.

23087290051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 23087290051 in words is "twenty-three billion, eighty-seven million, two hundred ninety thousand, fifty-one".