123011321302979 has 2 divisors, whose sum is σ = 123011321302980. Its totient is φ = 123011321302978.

The previous prime is 123011321302967. The next prime is 123011321303011. The reversal of 123011321302979 is 979203123110321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123011321302979 - 2¹² = 123011321298883 is a prime.

It is not a weakly prime, because it can be changed into another prime (123011321302379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505660651489 + 61505660651490.

It is an arithmetic number, because the mean of its divisors is an integer number (61505660651490).

Almost surely, 2^{123011321302979} is an apocalyptic number.

123011321302979 is a deficient number, since it is larger than the sum of its proper divisors (1).

123011321302979 is an equidigital number, since it uses as much as digits as its factorization.

123011321302979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 123011321302979 in words is "one hundred twenty-three trillion, eleven billion, three hundred twenty-one million, three hundred two thousand, nine hundred seventy-nine".