12623631131 has 4 divisors (see below), whose sum is σ = 12917203992. Its totient is φ = 12330058272.

The previous prime is 12623631109. The next prime is 12623631143. The reversal of 12623631131 is 13113632621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13113632621 = 71 ⋅184699051.

It is a cyclic number.

It is not a de Polignac number, because 12623631131 - 2²² = 12619436827 is a prime.

It is a super-2 number, since 2×12623631131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12623631094 and 12623631103.

It is not an unprimeable number, because it can be changed into a prime (12623631151) 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, 146786366 + ... + 146786451.

It is an arithmetic number, because the mean of its divisors is an integer number (3229300998).

Almost surely, 2^12623631131 is an apocalyptic number.

12623631131 is a deficient number, since it is larger than the sum of its proper divisors (293572861).

12623631131 is an equidigital number, since it uses as much as digits as its factorization.

12623631131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293572860.

The product of its digits is 3888, while the sum is 29.

The spelling of 12623631131 in words is "twelve billion, six hundred twenty-three million, six hundred thirty-one thousand, one hundred thirty-one".