316009823 has 2 divisors, whose sum is σ = 316009824. Its totient is φ = 316009822.

The previous prime is 316009789. The next prime is 316009831. The reversal of 316009823 is 328900613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316009823 - 2¹⁶ = 315944287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316009823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316002823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158004911 + 158004912.

It is an arithmetic number, because the mean of its divisors is an integer number (158004912).

Almost surely, 2^316009823 is an apocalyptic number.

316009823 is a deficient number, since it is larger than the sum of its proper divisors (1).

316009823 is an equidigital number, since it uses as much as digits as its factorization.

316009823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 316009823 is about 17776.6651259453. The cubic root of 316009823 is about 681.1355184224.

The spelling of 316009823 in words is "three hundred sixteen million, nine thousand, eight hundred twenty-three".