320023323 has 48 divisors (see below), whose sum is σ = 507436800. Its totient is φ = 193777920.

The previous prime is 320023309. The next prime is 320023373. The reversal of 320023323 is 323320023.

320023323 is a `hidden beast` number, since 320 + 0 + 23 + 323 = 666.

It is not a de Polignac number, because 320023323 - 2⁴ = 320023307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320023296 and 320023305.

It is not an unprimeable number, because it can be changed into a prime (320023373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298833 + ... + 299901.

It is an arithmetic number, because the mean of its divisors is an integer number (10571600).

Almost surely, 2^320023323 is an apocalyptic number.

320023323 is a deficient number, since it is larger than the sum of its proper divisors (187413477).

320023323 is a wasteful number, since it uses less digits than its factorization.

320023323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1169 counting only the distinct ones).

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

The square root of 320023323 is about 17889.1957057885. The cubic root of 320023323 is about 684.0069956707.

Adding to 320023323 its reverse (323320023), we get a palindrome (643343346).

The spelling of 320023323 in words is "three hundred twenty million, twenty-three thousand, three hundred twenty-three".