123013465137 has 24 divisors (see below), whose sum is σ = 181897619904. Its totient is φ = 80066869344.

The previous prime is 123013465117. The next prime is 123013465189. The reversal of 123013465137 is 731564310321.

123013465137 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 134 + 6 + 513 + 7 = 666.

It is not a de Polignac number, because 123013465137 - 2²⁰ = 123012416561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123013465117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 834748 + ... + 970994.

It is an arithmetic number, because the mean of its divisors is an integer number (7579067496).

Almost surely, 2^123013465137 is an apocalyptic number.

It is an amenable number.

123013465137 is a deficient number, since it is larger than the sum of its proper divisors (58884154767).

123013465137 is a wasteful number, since it uses less digits than its factorization.

123013465137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138629 (or 138626 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 123013465137 its reverse (731564310321), we get a palindrome (854577775458).

The spelling of 123013465137 in words is "one hundred twenty-three billion, thirteen million, four hundred sixty-five thousand, one hundred thirty-seven".