123012223329971 has 2 divisors, whose sum is σ = 123012223329972. Its totient is φ = 123012223329970.

The previous prime is 123012223329953. The next prime is 123012223330081. The reversal of 123012223329971 is 179923322210321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123012223329971 - 2⁴² = 118614176818867 is a prime.

It is not a weakly prime, because it can be changed into another prime (123012223329071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506111664985 + 61506111664986.

It is an arithmetic number, because the mean of its divisors is an integer number (61506111664986).

Almost surely, 2^{123012223329971} is an apocalyptic number.

123012223329971 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012223329971 is an equidigital number, since it uses as much as digits as its factorization.

123012223329971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 123012223329971 in words is "one hundred twenty-three trillion, twelve billion, two hundred twenty-three million, three hundred twenty-nine thousand, nine hundred seventy-one".