123315325413522 has 64 divisors (see below), whose sum is σ = 270522666086400. Its totient is φ = 37164133670400.

The previous prime is 123315325413451. The next prime is 123315325413523. The reversal of 123315325413522 is 225314523513321.

It is not an unprimeable number, because it can be changed into a prime (123315325413523) 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, 27788247 + ... + 31918917.

It is an arithmetic number, because the mean of its divisors is an integer number (4226916657600).

Almost surely, 2^{123315325413522} is an apocalyptic number.

123315325413522 is an abundant number, since it is smaller than the sum of its proper divisors (147207340672878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123315325413522 is a wasteful number, since it uses less digits than its factorization.

123315325413522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133159.

The product of its digits is 648000, while the sum is 42.

Adding to 123315325413522 its reverse (225314523513321), we get a palindrome (348629848926843).

The spelling of 123315325413522 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred twenty-five million, four hundred thirteen thousand, five hundred twenty-two".