19316023 has 2 divisors, whose sum is σ = 19316024. Its totient is φ = 19316022.

The previous prime is 19315991. The next prime is 19316039. The reversal of 19316023 is 32061391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19316023 - 2⁵ = 19315991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19316123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9658011 + 9658012.

It is an arithmetic number, because the mean of its divisors is an integer number (9658012).

Almost surely, 2^19316023 is an apocalyptic number.

19316023 is a deficient number, since it is larger than the sum of its proper divisors (1).

19316023 is an equidigital number, since it uses as much as digits as its factorization.

19316023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 19316023 is about 4394.9997724687. Note that the first 3 decimals coincide. The cubic root of 19316023 is about 268.3114695696.

The spelling of 19316023 in words is "nineteen million, three hundred sixteen thousand, twenty-three".