320223344 has 20 divisors (see below), whose sum is σ = 709066224. Its totient is φ = 137238528.

The previous prime is 320223331. The next prime is 320223347. The reversal of 320223344 is 443322023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320223347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429457 + ... + 1429680.

Almost surely, 2^320223344 is an apocalyptic number.

It is an amenable number.

320223344 is an abundant number, since it is smaller than the sum of its proper divisors (388842880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320223344 is a wasteful number, since it uses less digits than its factorization.

320223344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859152 (or 2859146 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 320223344 is about 17894.7853856927. The cubic root of 320223344 is about 684.1494720249.

Adding to 320223344 its reverse (443322023), we get a palindrome (763545367).

The spelling of 320223344 in words is "three hundred twenty million, two hundred twenty-three thousand, three hundred forty-four".