320346383 has 8 divisors (see below), whose sum is σ = 378734880. Its totient is φ = 265114080.

The previous prime is 320346371. The next prime is 320346421. The reversal of 320346383 is 383643023.

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

It is not a de Polignac number, because 320346383 - 2¹⁰ = 320345359 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 (320343383) 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, 788828 + ... + 789233.

It is an arithmetic number, because the mean of its divisors is an integer number (47341860).

Almost surely, 2^320346383 is an apocalyptic number.

320346383 is a deficient number, since it is larger than the sum of its proper divisors (58388497).

320346383 is a wasteful number, since it uses less digits than its factorization.

320346383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578097.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 320346383 is about 17898.2229006122. Note that the first 3 decimals coincide. The cubic root of 320346383 is about 684.2370840929.

The spelling of 320346383 in words is "three hundred twenty million, three hundred forty-six thousand, three hundred eighty-three".