23204136 has 32 divisors (see below), whose sum is σ = 58141440. Its totient is φ = 7717248.

The previous prime is 23204131. The next prime is 23204179. The reversal of 23204136 is 63140232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23204131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14025 + ... + 15591.

It is an arithmetic number, because the mean of its divisors is an integer number (1816920).

Almost surely, 2^23204136 is an apocalyptic number.

It is an amenable number.

23204136 is an abundant number, since it is smaller than the sum of its proper divisors (34937304).

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

23204136 is a wasteful number, since it uses less digits than its factorization.

23204136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23204136 is about 4817.0671575140. The cubic root of 23204136 is about 285.2255770262.

Adding to 23204136 its reverse (63140232), we get a palindrome (86344368).

The spelling of 23204136 in words is "twenty-three million, two hundred four thousand, one hundred thirty-six".