23640488 has 16 divisors (see below), whose sum is σ = 44380980. Its totient is φ = 11805568.

The previous prime is 23640479. The next prime is 23640493. The reversal of 23640488 is 88404632.

It can be written as a sum of positive squares in 2 ways, for example, as 23639044 + 1444 = 4862^2 + 38^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8306 + ... + 10782.

Almost surely, 2^23640488 is an apocalyptic number.

It is an amenable number.

23640488 is a deficient number, since it is larger than the sum of its proper divisors (20740492).

23640488 is a wasteful number, since it uses less digits than its factorization.

23640488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 23640488 is about 4862.1484962926. The cubic root of 23640488 is about 287.0023673760.

The spelling of 23640488 in words is "twenty-three million, six hundred forty thousand, four hundred eighty-eight".