13232132321 has 4 divisors (see below), whose sum is σ = 13241592000. Its totient is φ = 13222672644.

The previous prime is 13232132299. The next prime is 13232132341. The reversal of 13232132321 is 12323123231.

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 a de Polignac number, because none of the positive numbers 2^k-13232132321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13232132341) 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, 4727741 + ... + 4730538.

It is an arithmetic number, because the mean of its divisors is an integer number (3310398000).

Almost surely, 2^13232132321 is an apocalyptic number.

It is an amenable number.

13232132321 is a deficient number, since it is larger than the sum of its proper divisors (9459679).

13232132321 is an equidigital number, since it uses as much as digits as its factorization.

13232132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9459678.

The product of its digits is 1296, while the sum is 23.

Adding to 13232132321 its reverse (12323123231), we get a palindrome (25555255552).

The spelling of 13232132321 in words is "thirteen billion, two hundred thirty-two million, one hundred thirty-two thousand, three hundred twenty-one".