323201231 has 2 divisors, whose sum is σ = 323201232. Its totient is φ = 323201230.

The previous prime is 323201227. The next prime is 323201239. The reversal of 323201231 is 132102323.

It is a weak prime.

It is an emirp because it is prime and its reverse (132102323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323201231 - 2² = 323201227 is a prime.

It is a super-2 number, since 2×323201231² = 208918071439830722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323201239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161600615 + 161600616.

It is an arithmetic number, because the mean of its divisors is an integer number (161600616).

Almost surely, 2^323201231 is an apocalyptic number.

323201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

323201231 is an equidigital number, since it uses as much as digits as its factorization.

323201231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 323201231 is about 17977.7982801009. The cubic root of 323201231 is about 686.2636599239.

Adding to 323201231 its reverse (132102323), we get a palindrome (455303554).

The spelling of 323201231 in words is "three hundred twenty-three million, two hundred one thousand, two hundred thirty-one".