320344323 has 16 divisors (see below), whose sum is σ = 461304480. Its totient is φ = 196568064.

The previous prime is 320344319. The next prime is 320344327. The reversal of 320344323 is 323443023.

It is an interprime number because it is at equal distance from previous prime (320344319) and next prime (320344327).

It is not a de Polignac number, because 320344323 - 2² = 320344319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320344293 and 320344302.

It is not an unprimeable number, because it can be changed into a prime (320344327) 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, 2133 + ... + 25401.

It is an arithmetic number, because the mean of its divisors is an integer number (28831530).

Almost surely, 2^320344323 is an apocalyptic number.

320344323 is a deficient number, since it is larger than the sum of its proper divisors (140960157).

320344323 is a wasteful number, since it uses less digits than its factorization.

320344323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23638.

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 320344323 is about 17898.1653529070. The cubic root of 320344323 is about 684.2356174186.

Adding to 320344323 its reverse (323443023), we get a palindrome (643787346).

The spelling of 320344323 in words is "three hundred twenty million, three hundred forty-four thousand, three hundred twenty-three".