323122223 has 2 divisors, whose sum is σ = 323122224. Its totient is φ = 323122222.

The previous prime is 323122211. The next prime is 323122231. The reversal of 323122223 is 322221323.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323122223 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 323122195 and 323122204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323122273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161561111 + 161561112.

It is an arithmetic number, because the mean of its divisors is an integer number (161561112).

Almost surely, 2^323122223 is an apocalyptic number.

323122223 is a deficient number, since it is larger than the sum of its proper divisors (1).

323122223 is an equidigital number, since it uses as much as digits as its factorization.

323122223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 323122223 is about 17975.6007688199. The cubic root of 323122223 is about 686.2077352834.

Adding to 323122223 its reverse (322221323), we get a palindrome (645343546).

The spelling of 323122223 in words is "three hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-three".