320223223 has 4 divisors (see below), whose sum is σ = 320351400. Its totient is φ = 320095048.

The previous prime is 320223139. The next prime is 320223229. The reversal of 320223223 is 322322023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320223223 - 2¹³ = 320215031 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 320223223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320223229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60265 + ... + 65362.

It is an arithmetic number, because the mean of its divisors is an integer number (80087850).

Almost surely, 2^320223223 is an apocalyptic number.

320223223 is a deficient number, since it is larger than the sum of its proper divisors (128177).

320223223 is a wasteful number, since it uses less digits than its factorization.

320223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128176.

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

The square root of 320223223 is about 17894.7820048192. The cubic root of 320223223 is about 684.1493858537.

Adding to 320223223 its reverse (322322023), we get a palindrome (642545246).

It can be divided in two parts, 32022 and 3223, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 320223223 in words is "three hundred twenty million, two hundred twenty-three thousand, two hundred twenty-three".