23323020321 has 4 divisors (see below), whose sum is σ = 31097360432. Its totient is φ = 15548680212.

The previous prime is 23323020299. The next prime is 23323020377. The reversal of 23323020321 is 12302032332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23323020321 - 2¹⁰ = 23323019297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23323020121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887170051 + ... + 3887170056.

It is an arithmetic number, because the mean of its divisors is an integer number (7774340108).

Almost surely, 2^23323020321 is an apocalyptic number.

It is an amenable number.

23323020321 is a deficient number, since it is larger than the sum of its proper divisors (7774340111).

23323020321 is an equidigital number, since it uses as much as digits as its factorization.

23323020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774340110.

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

Adding to 23323020321 its reverse (12302032332), we get a palindrome (35625052653).

The spelling of 23323020321 in words is "twenty-three billion, three hundred twenty-three million, twenty thousand, three hundred twenty-one".