320320373 has 8 divisors (see below), whose sum is σ = 345021600. Its totient is φ = 296403408.

The previous prime is 320320339. The next prime is 320320387. The reversal of 320320373 is 373023023.

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 320320373 - 2¹² = 320316277 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 (320320313) 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, 195218 + ... + 196851.

It is an arithmetic number, because the mean of its divisors is an integer number (43127700).

Almost surely, 2^320320373 is an apocalyptic number.

It is an amenable number.

320320373 is a deficient number, since it is larger than the sum of its proper divisors (24701227).

320320373 is a wasteful number, since it uses less digits than its factorization.

320320373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392131.

The product of its (nonzero) digits is 2268, while the sum is 23.

The square root of 320320373 is about 17897.4962774127. The cubic root of 320320373 is about 684.2185650885.

Adding to 320320373 its reverse (373023023), we get a palindrome (693343396).

The spelling of 320320373 in words is "three hundred twenty million, three hundred twenty thousand, three hundred seventy-three".