321770824423 has 2 divisors, whose sum is σ = 321770824424. Its totient is φ = 321770824422.

The previous prime is 321770824421. The next prime is 321770824457. The reversal of 321770824423 is 324428077123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321770824423 - 2¹ = 321770824421 is a prime.

Together with 321770824421, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 321770824423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321770824421) 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 as a sum of consecutive naturals, namely, 160885412211 + 160885412212.

It is an arithmetic number, because the mean of its divisors is an integer number (160885412212).

Almost surely, 2^321770824423 is an apocalyptic number.

321770824423 is a deficient number, since it is larger than the sum of its proper divisors (1).

321770824423 is an equidigital number, since it uses as much as digits as its factorization.

321770824423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 321770824423 in words is "three hundred twenty-one billion, seven hundred seventy million, eight hundred twenty-four thousand, four hundred twenty-three".