123422617057 has 2 divisors, whose sum is σ = 123422617058. Its totient is φ = 123422617056.

The previous prime is 123422617027. The next prime is 123422617069. The reversal of 123422617057 is 750716224321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115230375936 + 8192241121 = 339456^2 + 90511^2 .

It is a cyclic number.

It is not a de Polignac number, because 123422617057 - 2²⁷ = 123288399329 is a prime.

It is not a weakly prime, because it can be changed into another prime (123422617027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711308528 + 61711308529.

It is an arithmetic number, because the mean of its divisors is an integer number (61711308529).

Almost surely, 2^123422617057 is an apocalyptic number.

It is an amenable number.

123422617057 is a deficient number, since it is larger than the sum of its proper divisors (1).

123422617057 is an equidigital number, since it uses as much as digits as its factorization.

123422617057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 123422617057 in words is "one hundred twenty-three billion, four hundred twenty-two million, six hundred seventeen thousand, fifty-seven".