123013313535249 has 12 divisors (see below), whose sum is σ = 177696597002496. Its totient is φ = 82003937379192.

The previous prime is 123013313535247. The next prime is 123013313535251. The reversal of 123013313535249 is 942535313310321.

It is a happy number.

123013313535249 is a `hidden beast` number, since 1 + 2 + 30 + 1 + 33 + 13 + 53 + 524 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (123013313535247) and next prime (123013313535251).

It is not a de Polignac number, because 123013313535249 - 2¹ = 123013313535247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123013313535247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411368149 + ... + 411667074.

It is an arithmetic number, because the mean of its divisors is an integer number (14808049750208).

Almost surely, 2^{123013313535249} is an apocalyptic number.

It is an amenable number.

123013313535249 is a deficient number, since it is larger than the sum of its proper divisors (54683283467247).

123013313535249 is a wasteful number, since it uses less digits than its factorization.

123013313535249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823051836 (or 823051833 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The spelling of 123013313535249 in words is "one hundred twenty-three trillion, thirteen billion, three hundred thirteen million, five hundred thirty-five thousand, two hundred forty-nine".