12623431 has 2 divisors, whose sum is σ = 12623432. Its totient is φ = 12623430.

The previous prime is 12623423. The next prime is 12623441. The reversal of 12623431 is 13432621.

12623431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12623431 - 2³ = 12623423 is a prime.

It is a super-2 number, since 2×12623431² = 318702020423522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12623441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311715 + 6311716.

It is an arithmetic number, because the mean of its divisors is an integer number (6311716).

Almost surely, 2^12623431 is an apocalyptic number.

12623431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12623431 is an equidigital number, since it uses as much as digits as its factorization.

12623431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 12623431 is about 3552.9468051183. The cubic root of 12623431 is about 232.8408289867.

The spelling of 12623431 in words is "twelve million, six hundred twenty-three thousand, four hundred thirty-one".