1313574785023 has 2 divisors, whose sum is σ = 1313574785024. Its totient is φ = 1313574785022.

The previous prime is 1313574785011. The next prime is 1313574785027. The reversal of 1313574785023 is 3205874753131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313574785023 is a prime.

It is a super-2 number, since 2×1313574785023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313574785027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656787392511 + 656787392512.

It is an arithmetic number, because the mean of its divisors is an integer number (656787392512).

Almost surely, 2^{1313574785023} is an apocalyptic number.

1313574785023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313574785023 is an equidigital number, since it uses as much as digits as its factorization.

1313574785023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 1313574785023 in words is "one trillion, three hundred thirteen billion, five hundred seventy-four million, seven hundred eighty-five thousand, twenty-three".