320323111 has 8 divisors (see below), whose sum is σ = 322200144. Its totient is φ = 318452160.

The previous prime is 320323063. The next prime is 320323123. The reversal of 320323111 is 111323023.

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

It is a cyclic number.

It is not a de Polignac number, because 320323111 - 2⁷ = 320322983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139291 + ... + 141571.

It is an arithmetic number, because the mean of its divisors is an integer number (40275018).

Almost surely, 2^320323111 is an apocalyptic number.

320323111 is a deficient number, since it is larger than the sum of its proper divisors (1877033).

320323111 is a wasteful number, since it uses less digits than its factorization.

320323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 320323111 is about 17897.5727683952. The cubic root of 320323111 is about 684.2205145795.

Adding to 320323111 its reverse (111323023), we get a palindrome (431646134).

The spelling of 320323111 in words is "three hundred twenty million, three hundred twenty-three thousand, one hundred eleven".