1323216364513 has 2 divisors, whose sum is σ = 1323216364514. Its totient is φ = 1323216364512.

The previous prime is 1323216364493. The next prime is 1323216364543. The reversal of 1323216364513 is 3154636123231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1252939945104 + 70276419409 = 1119348^2 + 265097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323216364513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323216364543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661608182256 + 661608182257.

It is an arithmetic number, because the mean of its divisors is an integer number (661608182257).

Almost surely, 2^{1323216364513} is an apocalyptic number.

It is an amenable number.

1323216364513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323216364513 is an equidigital number, since it uses as much as digits as its factorization.

1323216364513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 40.

The spelling of 1323216364513 in words is "one trillion, three hundred twenty-three billion, two hundred sixteen million, three hundred sixty-four thousand, five hundred thirteen".