20232120515173 has 24 divisors (see below), whose sum is σ = 25301132092800. Its totient is φ = 16079535194688.

The previous prime is 20232120515171. The next prime is 20232120515177. The reversal of 20232120515173 is 37151502123202.

It is not a de Polignac number, because 20232120515173 - 2¹ = 20232120515171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232120515171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231143488 + ... + 231231001.

It is an arithmetic number, because the mean of its divisors is an integer number (1054213837200).

Almost surely, 2^{20232120515173} is an apocalyptic number.

It is an amenable number.

20232120515173 is a deficient number, since it is larger than the sum of its proper divisors (5069011577627).

20232120515173 is a wasteful number, since it uses less digits than its factorization.

20232120515173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462374569 (or 462374562 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 20232120515173 its reverse (37151502123202), we get a palindrome (57383622638375).

The spelling of 20232120515173 in words is "twenty trillion, two hundred thirty-two billion, one hundred twenty million, five hundred fifteen thousand, one hundred seventy-three".