23520436424 has 16 divisors (see below), whose sum is σ = 44223667200. Its totient is φ = 11727458512.

The previous prime is 23520436417. The next prime is 23520436507. The reversal of 23520436424 is 42463402532.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4091912 + ... + 4097655.

It is an arithmetic number, because the mean of its divisors is an integer number (2763979200).

Almost surely, 2^23520436424 is an apocalyptic number.

It is an amenable number.

23520436424 is a deficient number, since it is larger than the sum of its proper divisors (20703230776).

23520436424 is a wasteful number, since it uses less digits than its factorization.

23520436424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189932 (or 8189928 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 23520436424 its reverse (42463402532), we get a palindrome (65983838956).

The spelling of 23520436424 in words is "twenty-three billion, five hundred twenty million, four hundred thirty-six thousand, four hundred twenty-four".