320224323 has 4 divisors (see below), whose sum is σ = 426965768. Its totient is φ = 213482880.

The previous prime is 320224321. The next prime is 320224343. The reversal of 320224323 is 323422023.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 320224323 - 2¹ = 320224321 is a prime.

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 320224323.

It is not an unprimeable number, because it can be changed into a prime (320224321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53370718 + ... + 53370723.

It is an arithmetic number, because the mean of its divisors is an integer number (106741442).

Almost surely, 2^320224323 is an apocalyptic number.

320224323 is a deficient number, since it is larger than the sum of its proper divisors (106741445).

320224323 is a wasteful number, since it uses less digits than its factorization.

320224323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106741444.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 320224323 is about 17894.8127400093. The cubic root of 320224323 is about 684.1501692276.

Adding to 320224323 its reverse (323422023), we get a palindrome (643646346).

The spelling of 320224323 in words is "three hundred twenty million, two hundred twenty-four thousand, three hundred twenty-three".