1361316445123 has 4 divisors (see below), whose sum is σ = 1361319218208. Its totient is φ = 1361313672040.

The previous prime is 1361316445079. The next prime is 1361316445127. The reversal of 1361316445123 is 3215446131631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1361316445123 - 2⁹ = 1361316444611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361316445127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430411 + ... + 1705252.

It is an arithmetic number, because the mean of its divisors is an integer number (340329804552).

Almost surely, 2^{1361316445123} is an apocalyptic number.

1361316445123 is a deficient number, since it is larger than the sum of its proper divisors (2773085).

1361316445123 is an equidigital number, since it uses as much as digits as its factorization.

1361316445123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773084.

The product of its digits is 155520, while the sum is 40.

The spelling of 1361316445123 in words is "one trillion, three hundred sixty-one billion, three hundred sixteen million, four hundred forty-five thousand, one hundred twenty-three".