12356622623 has 2 divisors, whose sum is σ = 12356622624. Its totient is φ = 12356622622.

The previous prime is 12356622587. The next prime is 12356622683. The reversal of 12356622623 is 32622665321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12356622623 - 2¹⁴ = 12356606239 is a prime.

It is a super-2 number, since 2×12356622623² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12356622683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6178311311 + 6178311312.

It is an arithmetic number, because the mean of its divisors is an integer number (6178311312).

Almost surely, 2^12356622623 is an apocalyptic number.

12356622623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12356622623 is an equidigital number, since it uses as much as digits as its factorization.

12356622623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 38.

The spelling of 12356622623 in words is "twelve billion, three hundred fifty-six million, six hundred twenty-two thousand, six hundred twenty-three".