20302031233123 has 4 divisors (see below), whose sum is σ = 20302041843360. Its totient is φ = 20302020622888.

The previous prime is 20302031233091. The next prime is 20302031233177. The reversal of 20302031233123 is 32133213020302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20302031233123 - 2⁵ = 20302031233091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302031233723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548043 + ... + 6557476.

It is an arithmetic number, because the mean of its divisors is an integer number (5075510460840).

Almost surely, 2^{20302031233123} is an apocalyptic number.

20302031233123 is a deficient number, since it is larger than the sum of its proper divisors (10610237).

20302031233123 is an equidigital number, since it uses as much as digits as its factorization.

20302031233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10610236.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20302031233123 its reverse (32133213020302), we get a palindrome (52435244253425).

The spelling of 20302031233123 in words is "twenty trillion, three hundred two billion, thirty-one million, two hundred thirty-three thousand, one hundred twenty-three".