320123323 has 8 divisors (see below), whose sum is σ = 349471808. Its totient is φ = 291449664.

The previous prime is 320123317. The next prime is 320123359. The reversal of 320123323 is 323321023.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320123323 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 320123323.

It is not an unprimeable number, because it can be changed into a prime (320123393) 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, 167715 + ... + 169612.

It is an arithmetic number, because the mean of its divisors is an integer number (43683976).

Almost surely, 2^320123323 is an apocalyptic number.

320123323 is a deficient number, since it is larger than the sum of its proper divisors (29348485).

320123323 is a wasteful number, since it uses less digits than its factorization.

320123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337413.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 320123323 is about 17891.9904705988. The cubic root of 320123323 is about 684.0782337872.

Adding to 320123323 its reverse (323321023), we get a palindrome (643444346).

The spelling of 320123323 in words is "three hundred twenty million, one hundred twenty-three thousand, three hundred twenty-three".