23612405631 has 4 divisors (see below), whose sum is σ = 31483207512. Its totient is φ = 15741603752.

The previous prime is 23612405627. The next prime is 23612405633. The reversal of 23612405631 is 13650421632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23612405631 - 2² = 23612405627 is a prime.

It is a super-2 number, since 2×23612405631² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23612405592 and 23612405601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23612405633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935400936 + ... + 3935400941.

It is an arithmetic number, because the mean of its divisors is an integer number (7870801878).

Almost surely, 2^23612405631 is an apocalyptic number.

23612405631 is a deficient number, since it is larger than the sum of its proper divisors (7870801881).

23612405631 is an equidigital number, since it uses as much as digits as its factorization.

23612405631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870801880.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 23612405631 in words is "twenty-three billion, six hundred twelve million, four hundred five thousand, six hundred thirty-one".