23323323221 has 16 divisors (see below), whose sum is σ = 25891342848. Its totient is φ = 20830747200.

The previous prime is 23323323169. The next prime is 23323323227. The reversal of 23323323221 is 12232332332.

It is a cyclic number.

It is not a de Polignac number, because 23323323221 - 2²⁶ = 23256214357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323323227) 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, 558935 + ... + 599211.

It is an arithmetic number, because the mean of its divisors is an integer number (1618208928).

Almost surely, 2^23323323221 is an apocalyptic number.

It is an amenable number.

23323323221 is a deficient number, since it is larger than the sum of its proper divisors (2568019627).

23323323221 is a wasteful number, since it uses less digits than its factorization.

23323323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41212.

The product of its digits is 7776, while the sum is 26.

Adding to 23323323221 its reverse (12232332332), we get a palindrome (35555655553).

The spelling of 23323323221 in words is "twenty-three billion, three hundred twenty-three million, three hundred twenty-three thousand, two hundred twenty-one".