320323090 has 16 divisors (see below), whose sum is σ = 606928320. Its totient is φ = 121385520.

The previous prime is 320323063. The next prime is 320323123. The reversal of 320323090 is 90323023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842766 + ... + 843145.

It is an arithmetic number, because the mean of its divisors is an integer number (37933020).

Almost surely, 2^320323090 is an apocalyptic number.

320323090 is a deficient number, since it is larger than the sum of its proper divisors (286605230).

320323090 is a wasteful number, since it uses less digits than its factorization.

320323090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685937.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 320323090 is about 17897.5721817234. The cubic root of 320323090 is about 684.2204996273.

The spelling of 320323090 in words is "three hundred twenty million, three hundred twenty-three thousand, ninety".