320232223 has 8 divisors (see below), whose sum is σ = 332297856. Its totient is φ = 308376600.

The previous prime is 320232173. The next prime is 320232229. The reversal of 320232223 is 322232023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320232223 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 320232223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320232229) 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, 49393 + ... + 55498.

It is an arithmetic number, because the mean of its divisors is an integer number (41537232).

Almost surely, 2^320232223 is an apocalyptic number.

320232223 is a deficient number, since it is larger than the sum of its proper divisors (12065633).

320232223 is a wasteful number, since it uses less digits than its factorization.

320232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105005.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 320232223 is about 17895.0334730059. The cubic root of 320232223 is about 684.1557952231.

Adding to 320232223 its reverse (322232023), we get a palindrome (642464246).

The spelling of 320232223 in words is "three hundred twenty million, two hundred thirty-two thousand, two hundred twenty-three".