123026142455369 has 2 divisors, whose sum is σ = 123026142455370. Its totient is φ = 123026142455368.

The previous prime is 123026142455353. The next prime is 123026142455399. The reversal of 123026142455369 is 963554241620321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90750620321344 + 32275522134025 = 9526312^2 + 5681155^2 .

It is a cyclic number.

It is not a de Polignac number, because 123026142455369 - 2⁴ = 123026142455353 is a prime.

It is a super-2 number, since 2×123026142455369² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123026142455369.

It is not a weakly prime, because it can be changed into another prime (123026142455339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61513071227684 + 61513071227685.

It is an arithmetic number, because the mean of its divisors is an integer number (61513071227685).

Almost surely, 2^{123026142455369} is an apocalyptic number.

It is an amenable number.

123026142455369 is a deficient number, since it is larger than the sum of its proper divisors (1).

123026142455369 is an equidigital number, since it uses as much as digits as its factorization.

123026142455369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 123026142455369 in words is "one hundred twenty-three trillion, twenty-six billion, one hundred forty-two million, four hundred fifty-five thousand, three hundred sixty-nine".