323320413 has 32 divisors (see below), whose sum is σ = 474969600. Its totient is φ = 194417856.

The previous prime is 323320381. The next prime is 323320423. The reversal of 323320413 is 314023323.

It is not a de Polignac number, because 323320413 - 2⁵ = 323320381 is a prime.

It is a super-3 number, since 3×323320413³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323320413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323320423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522018 + ... + 522636.

It is an arithmetic number, because the mean of its divisors is an integer number (14842800).

Almost surely, 2^323320413 is an apocalyptic number.

It is an amenable number.

323320413 is a deficient number, since it is larger than the sum of its proper divisors (151649187).

323320413 is a wasteful number, since it uses less digits than its factorization.

323320413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 323320413 is about 17981.1126741367. The cubic root of 323320413 is about 686.3480038931.

Adding to 323320413 its reverse (314023323), we get a palindrome (637343736).

The spelling of 323320413 in words is "three hundred twenty-three million, three hundred twenty thousand, four hundred thirteen".