23917731205 has 16 divisors (see below), whose sum is σ = 30398670144. Its totient is φ = 18003262720.

The previous prime is 23917731199. The next prime is 23917731223. The reversal of 23917731205 is 50213771932.

It is not a de Polignac number, because 23917731205 - 2⁷ = 23917731077 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 256434 + ... + 337036.

It is an arithmetic number, because the mean of its divisors is an integer number (1899916884).

Almost surely, 2^23917731205 is an apocalyptic number.

It is an amenable number.

23917731205 is a deficient number, since it is larger than the sum of its proper divisors (6480938939).

23917731205 is a wasteful number, since it uses less digits than its factorization.

23917731205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84116.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 23917731205 in words is "twenty-three billion, nine hundred seventeen million, seven hundred thirty-one thousand, two hundred five".