323223409 has 2 divisors, whose sum is σ = 323223410. Its totient is φ = 323223408.

The previous prime is 323223403. The next prime is 323223413. The reversal of 323223409 is 904322323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272415025 + 50808384 = 16505^2 + 7128^2 .

It is a cyclic number.

It is not a de Polignac number, because 323223409 - 2³ = 323223401 is a prime.

It is not a weakly prime, because it can be changed into another prime (323223401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161611704 + 161611705.

It is an arithmetic number, because the mean of its divisors is an integer number (161611705).

Almost surely, 2^323223409 is an apocalyptic number.

It is an amenable number.

323223409 is a deficient number, since it is larger than the sum of its proper divisors (1).

323223409 is an equidigital number, since it uses as much as digits as its factorization.

323223409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 323223409 is about 17978.4150858745. The cubic root of 323223409 is about 686.2793566538.

The spelling of 323223409 in words is "three hundred twenty-three million, two hundred twenty-three thousand, four hundred nine".