320112223 has 4 divisors (see below), whose sum is σ = 321029800. Its totient is φ = 319194648.

The previous prime is 320112211. The next prime is 320112239. The reversal of 320112223 is 322211023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322211023 = 4639 ⋅69457.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320112223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320112197 and 320112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320112283) 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, 458265 + ... + 458962.

It is an arithmetic number, because the mean of its divisors is an integer number (80257450).

Almost surely, 2^320112223 is an apocalyptic number.

320112223 is a deficient number, since it is larger than the sum of its proper divisors (917577).

320112223 is an equidigital number, since it uses as much as digits as its factorization.

320112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917576.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320112223 is about 17891.6802732443. The cubic root of 320112223 is about 684.0703270883.

Adding to 320112223 its reverse (322211023), we get a palindrome (642323246).

The spelling of 320112223 in words is "three hundred twenty million, one hundred twelve thousand, two hundred twenty-three".