320056223 has 2 divisors, whose sum is σ = 320056224. Its totient is φ = 320056222.

The previous prime is 320056213. The next prime is 320056237. The reversal of 320056223 is 322650023.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (322650023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320056223 - 2⁴ = 320056207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320056213) 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 as a sum of consecutive naturals, namely, 160028111 + 160028112.

It is an arithmetic number, because the mean of its divisors is an integer number (160028112).

Almost surely, 2^320056223 is an apocalyptic number.

320056223 is a deficient number, since it is larger than the sum of its proper divisors (1).

320056223 is an equidigital number, since it uses as much as digits as its factorization.

320056223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 320056223 is about 17890.1152316021. The cubic root of 320056223 is about 684.0304346489.

The spelling of 320056223 in words is "three hundred twenty million, fifty-six thousand, two hundred twenty-three".