323213223 has 16 divisors (see below), whose sum is σ = 446616576. Its totient is φ = 207697920.

The previous prime is 323213221. The next prime is 323213251. The reversal of 323213223 is 322312323.

It is not a de Polignac number, because 323213223 - 2¹ = 323213221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323213223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323213221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17140 + ... + 30662.

It is an arithmetic number, because the mean of its divisors is an integer number (27913536).

Almost surely, 2^323213223 is an apocalyptic number.

323213223 is a deficient number, since it is larger than the sum of its proper divisors (123403353).

323213223 is a wasteful number, since it uses less digits than its factorization.

323213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13814.

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

The square root of 323213223 is about 17978.1317994946. The cubic root of 323213223 is about 686.2721474865.

Adding to 323213223 its reverse (322312323), we get a palindrome (645525546).

The spelling of 323213223 in words is "three hundred twenty-three million, two hundred thirteen thousand, two hundred twenty-three".