320212551023 has 2 divisors, whose sum is σ = 320212551024. Its totient is φ = 320212551022.

The previous prime is 320212551019. The next prime is 320212551079. The reversal of 320212551023 is 320155212023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320212551023 - 2² = 320212551019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320212550983 and 320212551001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320212551013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160106275511 + 160106275512.

It is an arithmetic number, because the mean of its divisors is an integer number (160106275512).

Almost surely, 2^320212551023 is an apocalyptic number.

320212551023 is a deficient number, since it is larger than the sum of its proper divisors (1).

320212551023 is an equidigital number, since it uses as much as digits as its factorization.

320212551023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 320212551023 its reverse (320155212023), we get a palindrome (640367763046).

The spelling of 320212551023 in words is "three hundred twenty billion, two hundred twelve million, five hundred fifty-one thousand, twenty-three".