123413512031015 has 32 divisors (see below), whose sum is σ = 149912568936000. Its totient is φ = 97528243594240.

The previous prime is 123413512030981. The next prime is 123413512031083. The reversal of 123413512031015 is 510130215314321.

It is not a de Polignac number, because 123413512031015 - 2¹⁴ = 123413512014631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142080296 + ... + 142946274.

It is an arithmetic number, because the mean of its divisors is an integer number (4684767779250).

Almost surely, 2^{123413512031015} is an apocalyptic number.

123413512031015 is a deficient number, since it is larger than the sum of its proper divisors (26499056904985).

123413512031015 is a wasteful number, since it uses less digits than its factorization.

123413512031015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867187.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 123413512031015 its reverse (510130215314321), we get a palindrome (633543727345336).

The spelling of 123413512031015 in words is "one hundred twenty-three trillion, four hundred thirteen billion, five hundred twelve million, thirty-one thousand, fifteen".