123556505225627 has 2 divisors, whose sum is σ = 123556505225628. Its totient is φ = 123556505225626.

The previous prime is 123556505225599. The next prime is 123556505225683. The reversal of 123556505225627 is 726522505655321.

It is an a-pointer prime, because the next prime (123556505225683) can be obtained adding 123556505225627 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123556505225627 - 2²⁴ = 123556488448411 is a prime.

It is not a weakly prime, because it can be changed into another prime (123556505285627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61778252612813 + 61778252612814.

It is an arithmetic number, because the mean of its divisors is an integer number (61778252612814).

Almost surely, 2^{123556505225627} is an apocalyptic number.

123556505225627 is a deficient number, since it is larger than the sum of its proper divisors (1).

123556505225627 is an equidigital number, since it uses as much as digits as its factorization.

123556505225627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800000, while the sum is 56.

The spelling of 123556505225627 in words is "one hundred twenty-three trillion, five hundred fifty-six billion, five hundred five million, two hundred twenty-five thousand, six hundred twenty-seven".