323031223 has 2 divisors, whose sum is σ = 323031224. Its totient is φ = 323031222.

The previous prime is 323031211. The next prime is 323031239. The reversal of 323031223 is 322130323.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (322130323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323031223 - 2¹³ = 323023031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323031223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323031283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161515611 + 161515612.

It is an arithmetic number, because the mean of its divisors is an integer number (161515612).

Almost surely, 2^323031223 is an apocalyptic number.

323031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

323031223 is an equidigital number, since it uses as much as digits as its factorization.

323031223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 323031223 is about 17973.0693817166. The cubic root of 323031223 is about 686.1433109856.

Adding to 323031223 its reverse (322130323), we get a palindrome (645161546).

It can be divided in two parts, 3230 and 31223, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 323031223 in words is "three hundred twenty-three million, thirty-one thousand, two hundred twenty-three".