320032323 has 16 divisors (see below), whose sum is σ = 510593440. Its totient is φ = 196942752.

The previous prime is 320032319. The next prime is 320032357. The reversal of 320032323 is 323230023.

320032323 is a `hidden beast` number, since 320 + 0 + 323 + 23 = 666.

It is not a de Polignac number, because 320032323 - 2² = 320032319 is a prime.

It is a super-3 number, since 3×320032323³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320032296 and 320032305.

It is not an unprimeable number, because it can be changed into a prime (320030323) 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 15 ways as a sum of consecutive naturals, for example, 455536 + ... + 456237.

It is an arithmetic number, because the mean of its divisors is an integer number (31912090).

Almost surely, 2^320032323 is an apocalyptic number.

320032323 is a deficient number, since it is larger than the sum of its proper divisors (190561117).

320032323 is a wasteful number, since it uses less digits than its factorization.

320032323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911795 (or 911789 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 320032323 is about 17889.4472525006. The cubic root of 320032323 is about 684.0134077089.

Adding to 320032323 its reverse (323230023), we get a palindrome (643262346).

The spelling of 320032323 in words is "three hundred twenty million, thirty-two thousand, three hundred twenty-three".