323120231 has 8 divisors (see below), whose sum is σ = 371416224. Its totient is φ = 275358240.

The previous prime is 323120227. The next prime is 323120257. The reversal of 323120231 is 132021323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323120231 - 2² = 323120227 is a prime.

It is a super-2 number, since 2×323120231² = 208813367362986722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323120201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132200 + ... + 134621.

It is an arithmetic number, because the mean of its divisors is an integer number (46427028).

Almost surely, 2^323120231 is an apocalyptic number.

323120231 is a deficient number, since it is larger than the sum of its proper divisors (48295993).

323120231 is a wasteful number, since it uses less digits than its factorization.

323120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267001.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 323120231 is about 17975.5453602944. The cubic root of 323120231 is about 686.2063251579.

Adding to 323120231 its reverse (132021323), we get a palindrome (455141554).

The spelling of 323120231 in words is "three hundred twenty-three million, one hundred twenty thousand, two hundred thirty-one".