320320003323 has 32 divisors (see below), whose sum is σ = 447554045952. Its totient is φ = 203533344000.

The previous prime is 320320003321. The next prime is 320320003351. The reversal of 320320003323 is 323300023023.

It is not a de Polignac number, because 320320003323 - 2¹ = 320320003321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320320003323.

It is not an unprimeable number, because it can be changed into a prime (320320003321) 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, 4725436 + ... + 4792742.

It is an arithmetic number, because the mean of its divisors is an integer number (13986063936).

Almost surely, 2^320320003323 is an apocalyptic number.

320320003323 is a deficient number, since it is larger than the sum of its proper divisors (127234042629).

320320003323 is a wasteful number, since it uses less digits than its factorization.

320320003323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68115.

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

Adding to 320320003323 its reverse (323300023023), we get a palindrome (643620026346).

The spelling of 320320003323 in words is "three hundred twenty billion, three hundred twenty million, three thousand, three hundred twenty-three".