232013320021 has 16 divisors (see below), whose sum is σ = 269085801600. Its totient is φ = 195943157568.

The previous prime is 232013319997. The next prime is 232013320037. The reversal of 232013320021 is 120023310232.

It is a cyclic number.

It is not a de Polignac number, because 232013320021 - 2¹¹ = 232013317973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232013320081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712810 + ... + 985963.

It is an arithmetic number, because the mean of its divisors is an integer number (16817862600).

Almost surely, 2^232013320021 is an apocalyptic number.

It is an amenable number.

232013320021 is a deficient number, since it is larger than the sum of its proper divisors (37072481579).

232013320021 is a wasteful number, since it uses less digits than its factorization.

232013320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699068.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 232013320021 its reverse (120023310232), we get a palindrome (352036630253).

The spelling of 232013320021 in words is "two hundred thirty-two billion, thirteen million, three hundred twenty thousand, twenty-one".