23266007931 has 16 divisors (see below), whose sum is σ = 31120220160. Its totient is φ = 15461281920.

The previous prime is 23266007923. The next prime is 23266007957. The reversal of 23266007931 is 13970066232.

It is not a de Polignac number, because 23266007931 - 2³ = 23266007923 is a prime.

It is a super-2 number, since 2×23266007931² (a number of 22 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 23266007931.

It is not an unprimeable number, because it can be changed into a prime (23266002931) 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, 2441466 + ... + 2450976.

It is an arithmetic number, because the mean of its divisors is an integer number (1945013760).

Almost surely, 2^23266007931 is an apocalyptic number.

23266007931 is a deficient number, since it is larger than the sum of its proper divisors (7854212229).

23266007931 is a wasteful number, since it uses less digits than its factorization.

23266007931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12026.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 23266007931 in words is "twenty-three billion, two hundred sixty-six million, seven thousand, nine hundred thirty-one".