123100122000239 has 2 divisors, whose sum is σ = 123100122000240. Its totient is φ = 123100122000238.

The previous prime is 123100122000179. The next prime is 123100122000337. The reversal of 123100122000239 is 932000221001321.

It is a weak prime.

It is an emirp because it is prime and its reverse (932000221001321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123100122000239 - 2⁸ = 123100121999983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123100122030239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550061000119 + 61550061000120.

It is an arithmetic number, because the mean of its divisors is an integer number (61550061000120).

Almost surely, 2^{123100122000239} is an apocalyptic number.

123100122000239 is a deficient number, since it is larger than the sum of its proper divisors (1).

123100122000239 is an equidigital number, since it uses as much as digits as its factorization.

123100122000239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 123100122000239 in words is "one hundred twenty-three trillion, one hundred billion, one hundred twenty-two million, two hundred thirty-nine", and thus it is an aban number.