23644252 has 6 divisors (see below), whose sum is σ = 41377448. Its totient is φ = 11822124.

The previous prime is 23644241. The next prime is 23644267. The reversal of 23644252 is 25244632.

It is a self number, because there is not a number n which added to its sum of digits gives 23644252.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2955528 + ... + 2955535.

Almost surely, 2^23644252 is an apocalyptic number.

It is an amenable number.

23644252 is a deficient number, since it is larger than the sum of its proper divisors (17733196).

23644252 is a wasteful number, since it uses less digits than its factorization.

23644252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911067 (or 5911065 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 23644252 is about 4862.5355525693. The cubic root of 23644252 is about 287.0175985842.

Adding to 23644252 its reverse (25244632), we get a palindrome (48888884).

The spelling of 23644252 in words is "twenty-three million, six hundred forty-four thousand, two hundred fifty-two".