23640476 has 12 divisors (see below), whose sum is σ = 42705600. Its totient is φ = 11438880.

The previous prime is 23640451. The next prime is 23640479. The reversal of 23640476 is 67404632.

It is a super-3 number, since 3×23640476³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23640479) by changing a digit.

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, 95201 + ... + 95448.

It is an arithmetic number, because the mean of its divisors is an integer number (3558800).

Almost surely, 2^23640476 is an apocalyptic number.

It is an amenable number.

23640476 is a deficient number, since it is larger than the sum of its proper divisors (19065124).

23640476 is a wasteful number, since it uses less digits than its factorization.

23640476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190684 (or 190682 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 23640476 is about 4862.1472622700. The cubic root of 23640476 is about 287.0023188148.

The spelling of 23640476 in words is "twenty-three million, six hundred forty thousand, four hundred seventy-six".