323540323 has 4 divisors (see below), whose sum is σ = 323576368. Its totient is φ = 323504280.

The previous prime is 323540297. The next prime is 323540351. The reversal of 323540323 is 323045323.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 323045323 = 151 ⋅2139373.

It is a cyclic number.

It is not a de Polignac number, because 323540323 - 2⁵ = 323540291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323540353) 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, 7333 + ... + 26473.

It is an arithmetic number, because the mean of its divisors is an integer number (80894092).

Almost surely, 2^323540323 is an apocalyptic number.

323540323 is a deficient number, since it is larger than the sum of its proper divisors (36045).

323540323 is a wasteful number, since it uses less digits than its factorization.

323540323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36044.

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 323540323 is about 17987.2266622734. The cubic root of 323540323 is about 686.5035777206.

Adding to 323540323 its reverse (323045323), we get a palindrome (646585646).

The spelling of 323540323 in words is "three hundred twenty-three million, five hundred forty thousand, three hundred twenty-three".