16791423 has 16 divisors (see below), whose sum is σ = 24537600. Its totient is φ = 10129280.

The previous prime is 16791419. The next prime is 16791433. The reversal of 16791423 is 32419761.

It is a cyclic number.

It is not a de Polignac number, because 16791423 - 2² = 16791419 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16791413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6823 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (1533600).

Almost surely, 2^16791423 is an apocalyptic number.

16791423 is a deficient number, since it is larger than the sum of its proper divisors (7746177).

16791423 is a wasteful number, since it uses less digits than its factorization.

16791423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382.

The product of its digits is 9072, while the sum is 33.

The square root of 16791423 is about 4097.7338859423. The cubic root of 16791423 is about 256.0722401515.

The spelling of 16791423 in words is "sixteen million, seven hundred ninety-one thousand, four hundred twenty-three".