323340403 has 2 divisors, whose sum is σ = 323340404. Its totient is φ = 323340402.

The previous prime is 323340397. The next prime is 323340419. The reversal of 323340403 is 304043323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323340403 - 2¹⁷ = 323209331 is a prime.

It is not a weakly prime, because it can be changed into another prime (323340103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161670201 + 161670202.

It is an arithmetic number, because the mean of its divisors is an integer number (161670202).

Almost surely, 2^323340403 is an apocalyptic number.

323340403 is a deficient number, since it is larger than the sum of its proper divisors (1).

323340403 is an equidigital number, since it uses as much as digits as its factorization.

323340403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 323340403 is about 17981.6685265856. The cubic root of 323340403 is about 686.3621485963.

Adding to 323340403 its reverse (304043323), we get a palindrome (627383726).

The spelling of 323340403 in words is "three hundred twenty-three million, three hundred forty thousand, four hundred three".