123076372457 has 2 divisors, whose sum is σ = 123076372458. Its totient is φ = 123076372456.

The previous prime is 123076372429. The next prime is 123076372459. The reversal of 123076372457 is 754273670321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75260240896 + 47816131561 = 274336^2 + 218669^2 .

It is a cyclic number.

It is not a de Polignac number, because 123076372457 - 2²⁰ = 123075323881 is a prime.

Together with 123076372459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123076372459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61538186228 + 61538186229.

It is an arithmetic number, because the mean of its divisors is an integer number (61538186229).

Almost surely, 2^123076372457 is an apocalyptic number.

It is an amenable number.

123076372457 is a deficient number, since it is larger than the sum of its proper divisors (1).

123076372457 is an equidigital number, since it uses as much as digits as its factorization.

123076372457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 123076372457 in words is "one hundred twenty-three billion, seventy-six million, three hundred seventy-two thousand, four hundred fifty-seven".