23531204 has 12 divisors (see below), whose sum is σ = 41794704. Its totient is φ = 11589864.

The previous prime is 23531203. The next prime is 23531219. The reversal of 23531204 is 40213532.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23531203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43634 + ... + 44169.

It is an arithmetic number, because the mean of its divisors is an integer number (3482892).

Almost surely, 2^23531204 is an apocalyptic number.

It is an amenable number.

23531204 is a deficient number, since it is larger than the sum of its proper divisors (18263500).

23531204 is a wasteful number, since it uses less digits than its factorization.

23531204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87874 (or 87872 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23531204 is about 4850.8972365945. The cubic root of 23531204 is about 286.5594376913.

Adding to 23531204 its reverse (40213532), we get a palindrome (63744736).

The spelling of 23531204 in words is "twenty-three million, five hundred thirty-one thousand, two hundred four".