123926402401 has 2 divisors, whose sum is σ = 123926402402. Its totient is φ = 123926402400.

The previous prime is 123926402393. The next prime is 123926402489. The reversal of 123926402401 is 104204629321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95323475025 + 28602927376 = 308745^2 + 169124^2 .

It is a cyclic number.

It is not a de Polignac number, because 123926402401 - 2³ = 123926402393 is a prime.

It is not a weakly prime, because it can be changed into another prime (123926402101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61963201200 + 61963201201.

It is an arithmetic number, because the mean of its divisors is an integer number (61963201201).

Almost surely, 2^123926402401 is an apocalyptic number.

It is an amenable number.

123926402401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123926402401 is an equidigital number, since it uses as much as digits as its factorization.

123926402401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 123926402401 in words is "one hundred twenty-three billion, nine hundred twenty-six million, four hundred two thousand, four hundred one".