320223020303 has 4 divisors (see below), whose sum is σ = 320477368680. Its totient is φ = 319968671928.

The previous prime is 320223020291. The next prime is 320223020309. The reversal of 320223020303 is 303020322023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303020322023 = 859 ⋅352759397.

It is a cyclic number.

It is not a de Polignac number, because 320223020303 - 2¹⁸ = 320222758159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320223020309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127172300 + ... + 127174817.

It is an arithmetic number, because the mean of its divisors is an integer number (80119342170).

Almost surely, 2^320223020303 is an apocalyptic number.

320223020303 is a deficient number, since it is larger than the sum of its proper divisors (254348377).

320223020303 is a wasteful number, since it uses less digits than its factorization.

320223020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254348376.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 320223020303 its reverse (303020322023), we get a palindrome (623243342326).

The spelling of 320223020303 in words is "three hundred twenty billion, two hundred twenty-three million, twenty thousand, three hundred three".