323320249 has 4 divisors (see below), whose sum is σ = 369508864. Its totient is φ = 277131636.

The previous prime is 323320247. The next prime is 323320271. The reversal of 323320249 is 942023323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323320249 - 2¹ = 323320247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323320241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23094297 + ... + 23094310.

It is an arithmetic number, because the mean of its divisors is an integer number (92377216).

Almost surely, 2^323320249 is an apocalyptic number.

It is an amenable number.

323320249 is a deficient number, since it is larger than the sum of its proper divisors (46188615).

323320249 is an equidigital number, since it uses as much as digits as its factorization.

323320249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46188614.

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

The square root of 323320249 is about 17981.1081137954. The cubic root of 323320249 is about 686.3478878461.

The spelling of 323320249 in words is "three hundred twenty-three million, three hundred twenty thousand, two hundred forty-nine".