16717423 has 2 divisors, whose sum is σ = 16717424. Its totient is φ = 16717422.

The previous prime is 16717403. The next prime is 16717429. The reversal of 16717423 is 32471761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16717423 - 2⁹ = 16716911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16717429) 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, 8358711 + 8358712.

It is an arithmetic number, because the mean of its divisors is an integer number (8358712).

Almost surely, 2^16717423 is an apocalyptic number.

16717423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16717423 is an equidigital number, since it uses as much as digits as its factorization.

16717423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 16717423 is about 4088.6945349341. The cubic root of 16717423 is about 255.6955150661.

The spelling of 16717423 in words is "sixteen million, seven hundred seventeen thousand, four hundred twenty-three".