23504432 has 20 divisors (see below), whose sum is σ = 52045776. Its totient is φ = 10073280.

The previous prime is 23504431. The next prime is 23504491. The reversal of 23504432 is 23440532.

It is a junction number, because it is equal to n+sod(n) for n = 23504398 and 23504407.

It is not an unprimeable number, because it can be changed into a prime (23504431) by changing a digit.

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, 104819 + ... + 105042.

Almost surely, 2^23504432 is an apocalyptic number.

It is an amenable number.

23504432 is an abundant number, since it is smaller than the sum of its proper divisors (28541344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23504432 is a wasteful number, since it uses less digits than its factorization.

23504432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209876 (or 209870 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 23504432 is about 4848.1369617617. The cubic root of 23504432 is about 286.4507213310.

Adding to 23504432 its reverse (23440532), we get a palindrome (46944964).

The spelling of 23504432 in words is "twenty-three million, five hundred four thousand, four hundred thirty-two".