320023111303 has 16 divisors (see below), whose sum is σ = 370850310144. Its totient is φ = 270499838400.

The previous prime is 320023111241. The next prime is 320023111333. The reversal of 320023111303 is 303111320023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320023111303 is a prime.

It is a super-3 number, since 3×320023111303³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320023111333) 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, 960175 + ... + 1249792.

It is an arithmetic number, because the mean of its divisors is an integer number (23178144384).

Almost surely, 2^320023111303 is an apocalyptic number.

320023111303 is a deficient number, since it is larger than the sum of its proper divisors (50827198841).

320023111303 is a wasteful number, since it uses less digits than its factorization.

320023111303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210262.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 320023111303 its reverse (303111320023), we get a palindrome (623134431326).

The spelling of 320023111303 in words is "three hundred twenty billion, twenty-three million, one hundred eleven thousand, three hundred three".