320450223 has 8 divisors (see below), whose sum is σ = 428478768. Its totient is φ = 213027584.

The previous prime is 320450209. The next prime is 320450231. The reversal of 320450223 is 322054023.

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 320450223 - 2⁸ = 320449967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320450223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320450423) 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, 150240 + ... + 152357.

It is an arithmetic number, because the mean of its divisors is an integer number (53559846).

Almost surely, 2^320450223 is an apocalyptic number.

320450223 is a deficient number, since it is larger than the sum of its proper divisors (108028545).

320450223 is a wasteful number, since it uses less digits than its factorization.

320450223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302953.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 320450223 is about 17901.1235122268. The cubic root of 320450223 is about 684.3110077236.

The spelling of 320450223 in words is "three hundred twenty million, four hundred fifty thousand, two hundred twenty-three".