123435055266413 has 32 divisors (see below), whose sum is σ = 142345067143680. Its totient is φ = 105857388648000.

The previous prime is 123435055266377. The next prime is 123435055266421. The reversal of 123435055266413 is 314662550534321.

It is not a de Polignac number, because 123435055266413 - 2¹⁸ = 123435055004269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123435055266473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55709306 + ... + 57882612.

It is an arithmetic number, because the mean of its divisors is an integer number (4448283348240).

Almost surely, 2^{123435055266413} is an apocalyptic number.

It is an amenable number.

123435055266413 is a deficient number, since it is larger than the sum of its proper divisors (18910011877267).

123435055266413 is a wasteful number, since it uses less digits than its factorization.

123435055266413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174489.

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 123435055266413 in words is "one hundred twenty-three trillion, four hundred thirty-five billion, fifty-five million, two hundred sixty-six thousand, four hundred thirteen".