23640052 has 12 divisors (see below), whose sum is σ = 41736996. Its totient is φ = 11715200.

The previous prime is 23640049. The next prime is 23640059. The reversal of 23640052 is 25004632.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9771876 + 13868176 = 3126^2 + 3724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23640059) 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, 25699 + ... + 26602.

It is an arithmetic number, because the mean of its divisors is an integer number (3478083).

Almost surely, 2^23640052 is an apocalyptic number.

It is an amenable number.

23640052 is a deficient number, since it is larger than the sum of its proper divisors (18096944).

23640052 is a wasteful number, since it uses less digits than its factorization.

23640052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52418 (or 52416 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23640052 is about 4862.1036599398. The cubic root of 23640052 is about 287.0006029764. Note that the first 3 decimals are identical.

Adding to 23640052 its reverse (25004632), we get a palindrome (48644684).

The spelling of 23640052 in words is "twenty-three million, six hundred forty thousand, fifty-two".