1361206057723 has 2 divisors, whose sum is σ = 1361206057724. Its totient is φ = 1361206057722.

The previous prime is 1361206057721. The next prime is 1361206057751. The reversal of 1361206057723 is 3277506021631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361206057723 - 2¹ = 1361206057721 is a prime.

Together with 1361206057721, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1361206057723.

It is not a weakly prime, because it can be changed into another prime (1361206057721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680603028861 + 680603028862.

It is an arithmetic number, because the mean of its divisors is an integer number (680603028862).

Almost surely, 2^{1361206057723} is an apocalyptic number.

1361206057723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361206057723 is an equidigital number, since it uses as much as digits as its factorization.

1361206057723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 1361206057723 in words is "one trillion, three hundred sixty-one billion, two hundred six million, fifty-seven thousand, seven hundred twenty-three".