320368523 has 8 divisors (see below), whose sum is σ = 325941936. Its totient is φ = 314805600.

The previous prime is 320368511. The next prime is 320368571. The reversal of 320368523 is 325863023.

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 320368523 - 2¹² = 320364427 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 320368523.

It is not an unprimeable number, because it can be changed into a prime (320364523) 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, 82340 + ... + 86142.

It is an arithmetic number, because the mean of its divisors is an integer number (40742742).

Almost surely, 2^320368523 is an apocalyptic number.

320368523 is a deficient number, since it is larger than the sum of its proper divisors (5573413).

320368523 is a wasteful number, since it uses less digits than its factorization.

320368523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 320368523 is about 17898.8413870842. The cubic root of 320368523 is about 684.2528468847.

The spelling of 320368523 in words is "three hundred twenty million, three hundred sixty-eight thousand, five hundred twenty-three".