320003320323 has 16 divisors (see below), whose sum is σ = 449250105600. Its totient is φ = 202052172960.

The previous prime is 320003320321. The next prime is 320003320327. The reversal of 320003320323 is 323023300023.

It is not a de Polignac number, because 320003320323 - 2¹ = 320003320321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320003320323.

It is not an unprimeable number, because it can be changed into a prime (320003320321) 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, 555408 + ... + 973901.

It is an arithmetic number, because the mean of its divisors is an integer number (28078131600).

Almost surely, 2^320003320323 is an apocalyptic number.

320003320323 is a deficient number, since it is larger than the sum of its proper divisors (129246785277).

320003320323 is a wasteful number, since it uses less digits than its factorization.

320003320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533002.

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

Adding to 320003320323 its reverse (323023300023), we get a palindrome (643026620346).

The spelling of 320003320323 in words is "three hundred twenty billion, three million, three hundred twenty thousand, three hundred twenty-three".