23864648 has 8 divisors (see below), whose sum is σ = 44746230. Its totient is φ = 11932320.

The previous prime is 23864641. The next prime is 23864653. The reversal of 23864648 is 84646832.

It can be written as a sum of positive squares in only one way, i.e., 21548164 + 2316484 = 4642^2 + 1522^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23864641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1491533 + ... + 1491548.

Almost surely, 2^23864648 is an apocalyptic number.

It is an amenable number.

23864648 is a deficient number, since it is larger than the sum of its proper divisors (20881582).

23864648 is a wasteful number, since it uses less digits than its factorization.

23864648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983087 (or 2983083 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 23864648 is about 4885.1456477776. The cubic root of 23864648 is about 287.9066376902.

The spelling of 23864648 in words is "twenty-three million, eight hundred sixty-four thousand, six hundred forty-eight".