320223223202231 has 4 divisors (see below), whose sum is σ = 337077077055000. Its totient is φ = 303369369349464.

The previous prime is 320223223202177. The next prime is 320223223202249. The reversal of 320223223202231 is 132202322322023.

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 320223223202231 - 2¹⁴ = 320223223185847 is a prime.

It is a super-2 number, since 2×320223223202231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320223223202194 and 320223223202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320223223202261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8426926926356 + ... + 8426926926393.

It is an arithmetic number, because the mean of its divisors is an integer number (84269269263750).

Almost surely, 2^{320223223202231} is an apocalyptic number.

320223223202231 is a deficient number, since it is larger than the sum of its proper divisors (16853853852769).

320223223202231 is a wasteful number, since it uses less digits than its factorization.

320223223202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853853852768.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 320223223202231 its reverse (132202322322023), we get a palindrome (452425545524254).

The spelling of 320223223202231 in words is "three hundred twenty trillion, two hundred twenty-three billion, two hundred twenty-three million, two hundred two thousand, two hundred thirty-one".