125023220155523 has 2 divisors, whose sum is σ = 125023220155524. Its totient is φ = 125023220155522.

The previous prime is 125023220155499. The next prime is 125023220155573. The reversal of 125023220155523 is 325551022320521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125023220155523 - 2³⁴ = 125006040286339 is a prime.

It is not a weakly prime, because it can be changed into another prime (125023220155573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62511610077761 + 62511610077762.

It is an arithmetic number, because the mean of its divisors is an integer number (62511610077762).

Almost surely, 2^{125023220155523} is an apocalyptic number.

125023220155523 is a deficient number, since it is larger than the sum of its proper divisors (1).

125023220155523 is an equidigital number, since it uses as much as digits as its factorization.

125023220155523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 125023220155523 in words is "one hundred twenty-five trillion, twenty-three billion, two hundred twenty million, one hundred fifty-five thousand, five hundred twenty-three".