320212220423 has 2 divisors, whose sum is σ = 320212220424. Its totient is φ = 320212220422.

The previous prime is 320212220411. The next prime is 320212220441. The reversal of 320212220423 is 324022212023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320212220423 - 2⁴ = 320212220407 is a prime.

It is a super-2 number, since 2×320212220423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320212220453) 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, 160106110211 + 160106110212.

It is an arithmetic number, because the mean of its divisors is an integer number (160106110212).

Almost surely, 2^320212220423 is an apocalyptic number.

320212220423 is a deficient number, since it is larger than the sum of its proper divisors (1).

320212220423 is an equidigital number, since it uses as much as digits as its factorization.

320212220423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 320212220423 its reverse (324022212023), we get a palindrome (644234432446).

The spelling of 320212220423 in words is "three hundred twenty billion, two hundred twelve million, two hundred twenty thousand, four hundred twenty-three".