23415424 has 16 divisors (see below), whose sum is σ = 46648170. Its totient is φ = 11707648.

The previous prime is 23415421. The next prime is 23415473. The reversal of 23415424 is 42451432.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21455424 + 1960000 = 4632^2 + 1400^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (23415421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91339 + ... + 91594.

Almost surely, 2^23415424 is an apocalyptic number.

It is an amenable number.

23415424 is a deficient number, since it is larger than the sum of its proper divisors (23232746).

23415424 is an equidigital number, since it uses as much as digits as its factorization.

23415424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182947 (or 182935 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 23415424 is about 4838.9486461421. The cubic root of 23415424 is about 286.0886809938.

Adding to 23415424 its reverse (42451432), we get a palindrome (65866856).

The spelling of 23415424 in words is "twenty-three million, four hundred fifteen thousand, four hundred twenty-four".