320201223 has 4 divisors (see below), whose sum is σ = 426934968. Its totient is φ = 213467480.

The previous prime is 320201221. The next prime is 320201237. The reversal of 320201223 is 322102023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322102023 = 3 ⋅107367341.

It is a cyclic number.

It is not a de Polignac number, because 320201223 - 2¹ = 320201221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53366868 + ... + 53366873.

It is an arithmetic number, because the mean of its divisors is an integer number (106733742).

Almost surely, 2^320201223 is an apocalyptic number.

320201223 is a deficient number, since it is larger than the sum of its proper divisors (106733745).

320201223 is a wasteful number, since it uses less digits than its factorization.

320201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106733744.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320201223 is about 17894.1672899300. The cubic root of 320201223 is about 684.1337180007.

Adding to 320201223 its reverse (322102023), we get a palindrome (642303246).

The spelling of 320201223 in words is "three hundred twenty million, two hundred one thousand, two hundred twenty-three".