323223231 has 16 divisors (see below), whose sum is σ = 465910400. Its totient is φ = 198622368.

The previous prime is 323223211. The next prime is 323223247. The reversal of 323223231 is 132322323.

It is not a de Polignac number, because 323223231 - 2¹⁴ = 323206847 is a prime.

It is a super-2 number, since 2×323223231² = 208946514116158722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323223198 and 323223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323223211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74521 + ... + 78738.

It is an arithmetic number, because the mean of its divisors is an integer number (29119400).

Almost surely, 2^323223231 is an apocalyptic number.

323223231 is a deficient number, since it is larger than the sum of its proper divisors (142687169).

323223231 is a wasteful number, since it uses less digits than its factorization.

323223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153318.

The product of its digits is 1296, while the sum is 21.

The square root of 323223231 is about 17978.4101354931. The cubic root of 323223231 is about 686.2792306752.

Adding to 323223231 its reverse (132322323), we get a palindrome (455545554).

It can be divided in two parts, 32322 and 3231, that added together give a palindrome (35553).

The spelling of 323223231 in words is "three hundred twenty-three million, two hundred twenty-three thousand, two hundred thirty-one".