23913452290 has 32 divisors (see below), whose sum is σ = 52977496320. Its totient is φ = 7568213184.

The previous prime is 23913452281. The next prime is 23913452317. The reversal of 23913452290 is 9225431932.

It is a super-2 number, since 2×23913452290² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13138350 + ... + 13140169.

It is an arithmetic number, because the mean of its divisors is an integer number (1655546760).

Almost surely, 2^23913452290 is an apocalyptic number.

23913452290 is an abundant number, since it is smaller than the sum of its proper divisors (29064044030).

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

23913452290 is a wasteful number, since it uses less digits than its factorization.

23913452290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26278546.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 23913452290 in words is "twenty-three billion, nine hundred thirteen million, four hundred fifty-two thousand, two hundred ninety".