23640284 has 12 divisors (see below), whose sum is σ = 41404608. Its totient is φ = 11810400.

The previous prime is 23640257. The next prime is 23640293. The reversal of 23640284 is 48204632.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7829 + ... + 10419.

It is an arithmetic number, because the mean of its divisors is an integer number (3450384).

Almost surely, 2^23640284 is an apocalyptic number.

It is an amenable number.

23640284 is a deficient number, since it is larger than the sum of its proper divisors (17764324).

23640284 is a wasteful number, since it uses less digits than its factorization.

23640284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876 (or 4874 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 23640284 is about 4862.1275178670. The cubic root of 23640284 is about 287.0015418339.

The spelling of 23640284 in words is "twenty-three million, six hundred forty thousand, two hundred eighty-four".