13232233021 has 4 divisors (see below), whose sum is σ = 15122552032. Its totient is φ = 11341914012.

The previous prime is 13232232961. The next prime is 13232233043. The reversal of 13232233021 is 12033223231.

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 13232233021 - 2²⁵ = 13198678589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13232232983 and 13232233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232233081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945159495 + ... + 945159508.

It is an arithmetic number, because the mean of its divisors is an integer number (3780638008).

Almost surely, 2^13232233021 is an apocalyptic number.

It is an amenable number.

13232233021 is a deficient number, since it is larger than the sum of its proper divisors (1890319011).

13232233021 is an equidigital number, since it uses as much as digits as its factorization.

13232233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890319010.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13232233021 its reverse (12033223231), we get a palindrome (25265456252).

The spelling of 13232233021 in words is "thirteen billion, two hundred thirty-two million, two hundred thirty-three thousand, twenty-one".