123031134334403 has 4 divisors (see below), whose sum is σ = 123031555912560. Its totient is φ = 123030712756248.

The previous prime is 123031134334399. The next prime is 123031134334439. The reversal of 123031134334403 is 304433431130321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123031134334403 - 2² = 123031134334399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031134334103) 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 3 ways as a sum of consecutive naturals, for example, 210351023 + ... + 210935096.

It is an arithmetic number, because the mean of its divisors is an integer number (30757888978140).

Almost surely, 2^{123031134334403} is an apocalyptic number.

123031134334403 is a deficient number, since it is larger than the sum of its proper divisors (421578157).

123031134334403 is an equidigital number, since it uses as much as digits as its factorization.

123031134334403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421578156.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 123031134334403 its reverse (304433431130321), we get a palindrome (427464565464724).

The spelling of 123031134334403 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred thirty-four million, three hundred thirty-four thousand, four hundred three".