1323261834413 has 2 divisors, whose sum is σ = 1323261834414. Its totient is φ = 1323261834412.

The previous prime is 1323261834409. The next prime is 1323261834439. The reversal of 1323261834413 is 3144381623231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1250252713609 + 73009120804 = 1118147^2 + 270202^2 .

It is an emirp because it is prime and its reverse (3144381623231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323261834413 - 2² = 1323261834409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323261834403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661630917206 + 661630917207.

It is an arithmetic number, because the mean of its divisors is an integer number (661630917207).

Almost surely, 2^{1323261834413} is an apocalyptic number.

It is an amenable number.

1323261834413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323261834413 is an equidigital number, since it uses as much as digits as its factorization.

1323261834413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 41.

The spelling of 1323261834413 in words is "one trillion, three hundred twenty-three billion, two hundred sixty-one million, eight hundred thirty-four thousand, four hundred thirteen".