1316115923 has 2 divisors, whose sum is σ = 1316115924. Its totient is φ = 1316115922.

The previous prime is 1316115893. The next prime is 1316115971. The reversal of 1316115923 is 3295116131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3295116131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1316115923 - 2¹⁴ = 1316099539 is a prime.

It is a super-2 number, since 2×1316115923² = 3464322245548283858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1316115923.

It is not a weakly prime, because it can be changed into another prime (1316115973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658057961 + 658057962.

It is an arithmetic number, because the mean of its divisors is an integer number (658057962).

Almost surely, 2^1316115923 is an apocalyptic number.

1316115923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316115923 is an equidigital number, since it uses as much as digits as its factorization.

1316115923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 1316115923 is about 36278.3120197178. The cubic root of 1316115923 is about 1095.8843236089.

The spelling of 1316115923 in words is "one billion, three hundred sixteen million, one hundred fifteen thousand, nine hundred twenty-three".