321302213213123 has 2 divisors, whose sum is σ = 321302213213124. Its totient is φ = 321302213213122.

The previous prime is 321302213213117. The next prime is 321302213213159. The reversal of 321302213213123 is 321312312203123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321302213213123 - 2¹⁴ = 321302213196739 is a prime.

It is a super-2 number, since 2×321302213213123² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321302213219123) 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, 160651106606561 + 160651106606562.

It is an arithmetic number, because the mean of its divisors is an integer number (160651106606562).

Almost surely, 2^{321302213213123} is an apocalyptic number.

321302213213123 is a deficient number, since it is larger than the sum of its proper divisors (1).

321302213213123 is an equidigital number, since it uses as much as digits as its factorization.

321302213213123 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 29.

Adding to 321302213213123 its reverse (321312312203123), we get a palindrome (642614525416246).

The spelling of 321302213213123 in words is "three hundred twenty-one trillion, three hundred two billion, two hundred thirteen million, two hundred thirteen thousand, one hundred twenty-three".