320331000223 has 8 divisors (see below), whose sum is σ = 345591193248. Its totient is φ = 295159285344.

The previous prime is 320331000191. The next prime is 320331000257. The reversal of 320331000223 is 322000133023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320331000223 - 2⁵ = 320331000191 is a prime.

It is a super-2 number, since 2×320331000223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320331000223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320331000293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22112011 + ... + 22126492.

It is an arithmetic number, because the mean of its divisors is an integer number (43198899156).

Almost surely, 2^320331000223 is an apocalyptic number.

320331000223 is a deficient number, since it is larger than the sum of its proper divisors (25260193025).

320331000223 is a wasteful number, since it uses less digits than its factorization.

320331000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44239073.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 320331000223 its reverse (322000133023), we get a palindrome (642331133246).

It can be divided in two parts, 32033 and 1000223, that added together give a square (1032256 = 1016²).

The spelling of 320331000223 in words is "three hundred twenty billion, three hundred thirty-one million, two hundred twenty-three", and thus it is an aban number.