123031134231403 has 8 divisors (see below), whose sum is σ = 123129186163200. Its totient is φ = 122933085664488.

The previous prime is 123031134231389. The next prime is 123031134231413. The reversal of 123031134231403 is 304132431130321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123031134231403 - 2⁹ = 123031134230891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031134231413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75038658 + ... + 76660696.

It is an arithmetic number, because the mean of its divisors is an integer number (15391148270400).

Almost surely, 2^{123031134231403} is an apocalyptic number.

123031134231403 is a deficient number, since it is larger than the sum of its proper divisors (98051931797).

123031134231403 is a wasteful number, since it uses less digits than its factorization.

123031134231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682441.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 123031134231403 its reverse (304132431130321), we get a palindrome (427163565361724).

The spelling of 123031134231403 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred thirty-four million, two hundred thirty-one thousand, four hundred three".