123315363513321 has 32 divisors (see below), whose sum is σ = 191873611776768. Its totient is φ = 68993331379200.

The previous prime is 123315363513257. The next prime is 123315363513371.

123315363513321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123315363513321 - 2⁶ = 123315363513257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123315363513371) 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, 293368630 + ... + 293788671.

It is an arithmetic number, because the mean of its divisors is an integer number (5996050368024).

Almost surely, 2^{123315363513321} is an apocalyptic number.

It is an amenable number.

123315363513321 is a deficient number, since it is larger than the sum of its proper divisors (68558248263447).

123315363513321 is a wasteful number, since it uses less digits than its factorization.

123315363513321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587157521.

The product of its digits is 437400, while the sum is 42.

The spelling of 123315363513321 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred sixty-three million, five hundred thirteen thousand, three hundred twenty-one".