232322013221 has 4 divisors (see below), whose sum is σ = 239816271744. Its totient is φ = 224827754700.

The previous prime is 232322013199. The next prime is 232322013227. The reversal of 232322013221 is 122310223232.

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 a cyclic number.

It is not a de Polignac number, because 232322013221 - 2³⁴ = 215142144037 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 (232322013227) 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, 3747129215 + ... + 3747129276.

It is an arithmetic number, because the mean of its divisors is an integer number (59954067936).

Almost surely, 2^232322013221 is an apocalyptic number.

It is an amenable number.

232322013221 is a deficient number, since it is larger than the sum of its proper divisors (7494258523).

232322013221 is an equidigital number, since it uses as much as digits as its factorization.

232322013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494258522.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 232322013221 its reverse (122310223232), we get a palindrome (354632236453).

The spelling of 232322013221 in words is "two hundred thirty-two billion, three hundred twenty-two million, thirteen thousand, two hundred twenty-one".