123110402421318 has 32 divisors (see below), whose sum is σ = 265161311444736. Its totient is φ = 37880060294688.

The previous prime is 123110402421311. The next prime is 123110402421319. The reversal of 123110402421318 is 813124204011321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123110402421311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69893521 + ... + 71633267.

It is an arithmetic number, because the mean of its divisors is an integer number (8286290982648).

Almost surely, 2^{123110402421318} is an apocalyptic number.

123110402421318 is an abundant number, since it is smaller than the sum of its proper divisors (142050909023418).

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

123110402421318 is a wasteful number, since it uses less digits than its factorization.

123110402421318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646988.

The product of its (nonzero) digits is 9216, while the sum is 33.

Adding to 123110402421318 its reverse (813124204011321), we get a palindrome (936234606432639).

The spelling of 123110402421318 in words is "one hundred twenty-three trillion, one hundred ten billion, four hundred two million, four hundred twenty-one thousand, three hundred eighteen".