23426616231 has 32 divisors (see below), whose sum is σ = 35546480640. Its totient is φ = 15242666400.

The previous prime is 23426616209. The next prime is 23426616251. The reversal of 23426616231 is 13261662432.

23426616231 is a `hidden beast` number, since 2 + 3 + 4 + 2 + 6 + 616 + 2 + 31 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-23426616231 is a prime.

It is a super-2 number, since 2×23426616231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23426616251) 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, 230466 + ... + 316176.

It is an arithmetic number, because the mean of its divisors is an integer number (1110827520).

Almost surely, 2^23426616231 is an apocalyptic number.

23426616231 is a deficient number, since it is larger than the sum of its proper divisors (12119864409).

23426616231 is a wasteful number, since it uses less digits than its factorization.

23426616231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85964 (or 85958 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 23426616231 in words is "twenty-three billion, four hundred twenty-six million, six hundred sixteen thousand, two hundred thirty-one".