16423724 has 6 divisors (see below), whose sum is σ = 28741524. Its totient is φ = 8211860.

The previous prime is 16423723. The next prime is 16423741. The reversal of 16423724 is 42732461.

It is not an unprimeable number, because it can be changed into a prime (16423723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052962 + ... + 2052969.

It is an arithmetic number, because the mean of its divisors is an integer number (4790254).

Almost surely, 2^16423724 is an apocalyptic number.

It is an amenable number.

16423724 is a deficient number, since it is larger than the sum of its proper divisors (12317800).

16423724 is a wasteful number, since it uses less digits than its factorization.

16423724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105935 (or 4105933 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 16423724 is about 4052.6193998450. The cubic root of 16423724 is about 254.1892693089.

The spelling of 16423724 in words is "sixteen million, four hundred twenty-three thousand, seven hundred twenty-four".