23320023321 has 16 divisors (see below), whose sum is σ = 35687793024. Its totient is φ = 13268532864.

The previous prime is 23320023319. The next prime is 23320023329. The reversal of 23320023321 is 12332002332.

It is not a de Polignac number, because 23320023321 - 2¹ = 23320023319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (23320023329) 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, 2378106 + ... + 2387891.

It is an arithmetic number, because the mean of its divisors is an integer number (2230487064).

Almost surely, 2^23320023321 is an apocalyptic number.

23320023321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23320023321 is a deficient number, since it is larger than the sum of its proper divisors (12367769703).

23320023321 is a wasteful number, since it uses less digits than its factorization.

23320023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766240.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23320023321 its reverse (12332002332), we get a palindrome (35652025653).

The spelling of 23320023321 in words is "twenty-three billion, three hundred twenty million, twenty-three thousand, three hundred twenty-one".