123031505201403 has 16 divisors (see below), whose sum is σ = 166492249038720. Its totient is φ = 80795909679936.

The previous prime is 123031505201387. The next prime is 123031505201419. The reversal of 123031505201403 is 304102505130321.

It is an interprime number because it is at equal distance from previous prime (123031505201387) and next prime (123031505201419).

It is not a de Polignac number, because 123031505201403 - 2⁴ = 123031505201387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123031505201303) 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, 14932351 + ... + 21657287.

It is an arithmetic number, because the mean of its divisors is an integer number (10405765564920).

Almost surely, 2^{123031505201403} is an apocalyptic number.

123031505201403 is a deficient number, since it is larger than the sum of its proper divisors (43460743837317).

123031505201403 is an equidigital number, since it uses as much as digits as its factorization.

123031505201403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816026.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 123031505201403 in words is "one hundred twenty-three trillion, thirty-one billion, five hundred five million, two hundred one thousand, four hundred three".