320323323 has 16 divisors (see below), whose sum is σ = 446766336. Its totient is φ = 203760480.

The previous prime is 320323321. The next prime is 320323351. The reversal of 320323323 is 323323023.

It is not a de Polignac number, because 320323323 - 2¹ = 320323321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320323323.

It is not an unprimeable number, because it can be changed into a prime (320323321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23536 + ... + 34562.

It is an arithmetic number, because the mean of its divisors is an integer number (27922896).

Almost surely, 2^320323323 is an apocalyptic number.

320323323 is a deficient number, since it is larger than the sum of its proper divisors (126443013).

320323323 is a wasteful number, since it uses less digits than its factorization.

320323323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11474.

The product of its (nonzero) digits is 1944, while the sum is 21.

The square root of 320323323 is about 17897.5786909850. The cubic root of 320323323 is about 684.2206655258.

Adding to 320323323 its reverse (323323023), we get a palindrome (643646346).

The spelling of 320323323 in words is "three hundred twenty million, three hundred twenty-three thousand, three hundred twenty-three".