323020613 has 4 divisors (see below), whose sum is σ = 329893440. Its totient is φ = 316147788.

The previous prime is 323020609. The next prime is 323020627. The reversal of 323020613 is 316020323.

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 323020613 - 2² = 323020609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323020603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436343 + ... + 3436436.

It is an arithmetic number, because the mean of its divisors is an integer number (82473360).

Almost surely, 2^323020613 is an apocalyptic number.

It is an amenable number.

323020613 is a deficient number, since it is larger than the sum of its proper divisors (6872827).

323020613 is an equidigital number, since it uses as much as digits as its factorization.

323020613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872826.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 323020613 is about 17972.7742154627. The cubic root of 323020613 is about 686.1357987497.

Adding to 323020613 its reverse (316020323), we get a palindrome (639040936).

The spelling of 323020613 in words is "three hundred twenty-three million, twenty thousand, six hundred thirteen".