321073322863 has 2 divisors, whose sum is σ = 321073322864. Its totient is φ = 321073322862.

The previous prime is 321073322861. The next prime is 321073322953. The reversal of 321073322863 is 368223370123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321073322863 - 2¹ = 321073322861 is a prime.

Together with 321073322861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321073322861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160536661431 + 160536661432.

It is an arithmetic number, because the mean of its divisors is an integer number (160536661432).

Almost surely, 2^321073322863 is an apocalyptic number.

321073322863 is a deficient number, since it is larger than the sum of its proper divisors (1).

321073322863 is an equidigital number, since it uses as much as digits as its factorization.

321073322863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

Adding to 321073322863 its reverse (368223370123), we get a palindrome (689296692986).

The spelling of 321073322863 in words is "three hundred twenty-one billion, seventy-three million, three hundred twenty-two thousand, eight hundred sixty-three".