23640112 has 10 divisors (see below), whose sum is σ = 45802748. Its totient is φ = 11820048.

The previous prime is 23640109. The next prime is 23640121. The reversal of 23640112 is 21104632.

It is a self number, because there is not a number n which added to its sum of digits gives 23640112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 738738 + ... + 738769.

Almost surely, 2^23640112 is an apocalyptic number.

It is an amenable number.

23640112 is a deficient number, since it is larger than the sum of its proper divisors (22162636).

23640112 is a wasteful number, since it uses less digits than its factorization.

23640112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477515 (or 1477509 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 23640112 is about 4862.1098301046. The cubic root of 23640112 is about 287.0008457850. Note that the first 3 decimals are identical.

Adding to 23640112 its reverse (21104632), we get a palindrome (44744744).

The spelling of 23640112 in words is "twenty-three million, six hundred forty thousand, one hundred twelve".