323443231 has 2 divisors, whose sum is σ = 323443232. Its totient is φ = 323443230.

The previous prime is 323443193. The next prime is 323443261. The reversal of 323443231 is 132344323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323443231 - 2¹⁵ = 323410463 is a prime.

It is a super-2 number, since 2×323443231² = 209231047359438722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323443196 and 323443205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323443261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161721615 + 161721616.

It is an arithmetic number, because the mean of its divisors is an integer number (161721616).

Almost surely, 2^323443231 is an apocalyptic number.

323443231 is a deficient number, since it is larger than the sum of its proper divisors (1).

323443231 is an equidigital number, since it uses as much as digits as its factorization.

323443231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 25.

The square root of 323443231 is about 17984.5275445312. The cubic root of 323443231 is about 686.4348993425.

Adding to 323443231 its reverse (132344323), we get a palindrome (455787554).

The spelling of 323443231 in words is "three hundred twenty-three million, four hundred forty-three thousand, two hundred thirty-one".