16123424 has 12 divisors (see below), whose sum is σ = 31743054. Its totient is φ = 8061696.

The previous prime is 16123421. The next prime is 16123447. The reversal of 16123424 is 42432161.

It can be written as a sum of positive squares in only one way, i.e., 15840400 + 283024 = 3980^2 + 532^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16123424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16123421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251897 + ... + 251960.

Almost surely, 2^16123424 is an apocalyptic number.

It is an amenable number.

16123424 is a deficient number, since it is larger than the sum of its proper divisors (15619630).

16123424 is an equidigital number, since it uses as much as digits as its factorization.

16123424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503867 (or 503859 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 16123424 is about 4015.3983613086. The cubic root of 16123424 is about 252.6304864232.

Adding to 16123424 its reverse (42432161), we get a palindrome (58555585).

The spelling of 16123424 in words is "sixteen million, one hundred twenty-three thousand, four hundred twenty-four".