16319723 has 8 divisors (see below), whose sum is σ = 18766848. Its totient is φ = 13901544.

The previous prime is 16319713. The next prime is 16319731. The reversal of 16319723 is 32791361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16319723 - 2⁸ = 16319467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16319723.

It is not an unprimeable number, because it can be changed into a prime (16319713) 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 7 ways as a sum of consecutive naturals, for example, 6011 + ... + 8292.

It is an arithmetic number, because the mean of its divisors is an integer number (2345856).

Almost surely, 2^16319723 is an apocalyptic number.

16319723 is a deficient number, since it is larger than the sum of its proper divisors (2447125).

16319723 is a wasteful number, since it uses less digits than its factorization.

16319723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14473.

The product of its digits is 6804, while the sum is 32.

The square root of 16319723 is about 4039.7676913407. The cubic root of 16319723 is about 253.6515931197.

It can be divided in two parts, 163 and 19723, that multiplied together give a square (3214849 = 1793²).

The spelling of 16319723 in words is "sixteen million, three hundred nineteen thousand, seven hundred twenty-three".