323220943 has 2 divisors, whose sum is σ = 323220944. Its totient is φ = 323220942.

The previous prime is 323220941. The next prime is 323221043. The reversal of 323220943 is 349022323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323220943 - 2¹ = 323220941 is a prime.

Together with 323220941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323220941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161610471 + 161610472.

It is an arithmetic number, because the mean of its divisors is an integer number (161610472).

Almost surely, 2^323220943 is an apocalyptic number.

323220943 is a deficient number, since it is larger than the sum of its proper divisors (1).

323220943 is an equidigital number, since it uses as much as digits as its factorization.

323220943 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 323220943 is about 17978.3465035025. The cubic root of 323220943 is about 686.2776113500.

The spelling of 323220943 in words is "three hundred twenty-three million, two hundred twenty thousand, nine hundred forty-three".