320044323 has 8 divisors (see below), whose sum is σ = 427122688. Its totient is φ = 213164424.

The previous prime is 320044289. The next prime is 320044367. The reversal of 320044323 is 323440023.

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

It is not a de Polignac number, because 320044323 - 2⁶ = 320044259 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 320044323.

It is not an unprimeable number, because it can be changed into a prime (320044393) 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, 45811 + ... + 52332.

It is an arithmetic number, because the mean of its divisors is an integer number (53390336).

Almost surely, 2^320044323 is an apocalyptic number.

320044323 is a deficient number, since it is larger than the sum of its proper divisors (107078365).

320044323 is a wasteful number, since it uses less digits than its factorization.

320044323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99233.

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

The square root of 320044323 is about 17889.7826426148. The cubic root of 320044323 is about 684.0219569060.

Adding to 320044323 its reverse (323440023), we get a palindrome (643484346).

The spelling of 320044323 in words is "three hundred twenty million, forty-four thousand, three hundred twenty-three".