13321213323923 has 2 divisors, whose sum is σ = 13321213323924. Its totient is φ = 13321213323922.

The previous prime is 13321213323883. The next prime is 13321213323941. The reversal of 13321213323923 is 32932331212331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13321213323923 - 2¹⁰ = 13321213322899 is a prime.

It is not a weakly prime, because it can be changed into another prime (13321213323953) 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, 6660606661961 + 6660606661962.

It is an arithmetic number, because the mean of its divisors is an integer number (6660606661962).

Almost surely, 2^{13321213323923} is an apocalyptic number.

13321213323923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321213323923 is an equidigital number, since it uses as much as digits as its factorization.

13321213323923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 38.

The spelling of 13321213323923 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirteen million, three hundred twenty-three thousand, nine hundred twenty-three".