23218024 has 16 divisors (see below), whose sum is σ = 43589700. Its totient is φ = 11594112.

The previous prime is 23218001. The next prime is 23218043. The reversal of 23218024 is 42081232.

It can be written as a sum of positive squares in 2 ways, for example, as 23213124 + 4900 = 4818^2 + 70^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23217986 and 23218004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7564 + ... + 10180.

Almost surely, 2^23218024 is an apocalyptic number.

It is an amenable number.

23218024 is a deficient number, since it is larger than the sum of its proper divisors (20371676).

23218024 is a wasteful number, since it uses less digits than its factorization.

23218024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 23218024 is about 4818.5084829229. The cubic root of 23218024 is about 285.2824695100.

Adding to 23218024 its reverse (42081232), we get a palindrome (65299256).

The spelling of 23218024 in words is "twenty-three million, two hundred eighteen thousand, twenty-four".