321130223263 has 2 divisors, whose sum is σ = 321130223264. Its totient is φ = 321130223262.

The previous prime is 321130223207. The next prime is 321130223327. The reversal of 321130223263 is 362322031123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321130223263 - 2¹³ = 321130215071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321133223263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160565111631 + 160565111632.

It is an arithmetic number, because the mean of its divisors is an integer number (160565111632).

Almost surely, 2^321130223263 is an apocalyptic number.

321130223263 is a deficient number, since it is larger than the sum of its proper divisors (1).

321130223263 is an equidigital number, since it uses as much as digits as its factorization.

321130223263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 321130223263 its reverse (362322031123), we get a palindrome (683452254386).

The spelling of 321130223263 in words is "three hundred twenty-one billion, one hundred thirty million, two hundred twenty-three thousand, two hundred sixty-three".