232321321 has 4 divisors (see below), whose sum is σ = 242422272. Its totient is φ = 222220372.

The previous prime is 232321319. The next prime is 232321357. The reversal of 232321321 is 123123232.

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 232321321 - 2¹ = 232321319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232321381) 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, 5050441 + ... + 5050486.

It is an arithmetic number, because the mean of its divisors is an integer number (60605568).

Almost surely, 2^232321321 is an apocalyptic number.

It is an amenable number.

232321321 is a deficient number, since it is larger than the sum of its proper divisors (10100951).

232321321 is a wasteful number, since it uses less digits than its factorization.

232321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100950.

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

The square root of 232321321 is about 15242.0904406187. The cubic root of 232321321 is about 614.7469124091.

Adding to 232321321 its reverse (123123232), we get a palindrome (355444553).

The spelling of 232321321 in words is "two hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-one".