23426655231 has 32 divisors (see below), whose sum is σ = 38601861120. Its totient is φ = 12331132416.

The previous prime is 23426655223. The next prime is 23426655233. The reversal of 23426655231 is 13255662432.

It is not a de Polignac number, because 23426655231 - 2³ = 23426655223 is a prime.

It is a super-2 number, since 2×23426655231² (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 23426655231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426655233) 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, 681316 + ... + 714873.

It is an arithmetic number, because the mean of its divisors is an integer number (1206308160).

Almost surely, 2^23426655231 is an apocalyptic number.

23426655231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23426655231 is a deficient number, since it is larger than the sum of its proper divisors (15175205889).

23426655231 is a wasteful number, since it uses less digits than its factorization.

23426655231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396263.

The product of its digits is 259200, while the sum is 39.

The spelling of 23426655231 in words is "twenty-three billion, four hundred twenty-six million, six hundred fifty-five thousand, two hundred thirty-one".