16787117023 has 2 divisors, whose sum is σ = 16787117024. Its totient is φ = 16787117022.

The previous prime is 16787116991. The next prime is 16787117047. The reversal of 16787117023 is 32071178761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16787117023 - 2⁵ = 16787116991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16787117723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8393558511 + 8393558512.

It is an arithmetic number, because the mean of its divisors is an integer number (8393558512).

Almost surely, 2^16787117023 is an apocalyptic number.

16787117023 is a deficient number, since it is larger than the sum of its proper divisors (1).

16787117023 is an equidigital number, since it uses as much as digits as its factorization.

16787117023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 16787117023 in words is "sixteen billion, seven hundred eighty-seven million, one hundred seventeen thousand, twenty-three".