23304033221 has 16 divisors (see below), whose sum is σ = 26969918976. Its totient is φ = 19723553136.

The previous prime is 23304033209. The next prime is 23304033253. The reversal of 23304033221 is 12233040332.

It is not a de Polignac number, because 23304033221 - 2¹⁰ = 23304032197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23304033271) 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, 179270 + ... + 280616.

It is an arithmetic number, because the mean of its divisors is an integer number (1685619936).

Almost surely, 2^23304033221 is an apocalyptic number.

It is an amenable number.

23304033221 is a deficient number, since it is larger than the sum of its proper divisors (3665885755).

23304033221 is a wasteful number, since it uses less digits than its factorization.

23304033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101768.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23304033221 its reverse (12233040332), we get a palindrome (35537073553).

The spelling of 23304033221 in words is "twenty-three billion, three hundred four million, thirty-three thousand, two hundred twenty-one".