16723317 has 16 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 10240512.

The previous prime is 16723307. The next prime is 16723331. The reversal of 16723317 is 71332761.

It is not a de Polignac number, because 16723317 - 2⁸ = 16723061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16723307) 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 in 15 ways as a sum of consecutive naturals, for example, 7909 + ... + 9797.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 2^16723317 is an apocalyptic number.

It is an amenable number.

16723317 is a deficient number, since it is larger than the sum of its proper divisors (7408203).

16723317 is a wasteful number, since it uses less digits than its factorization.

16723317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its digits is 5292, while the sum is 30.

The square root of 16723317 is about 4089.4152393710. The cubic root of 16723317 is about 255.7255614093.

The spelling of 16723317 in words is "sixteen million, seven hundred twenty-three thousand, three hundred seventeen".