23787648 has 64 divisors (see below), whose sum is σ = 70216800. Its totient is φ = 7928064.

The previous prime is 23787637. The next prime is 23787649. The reversal of 23787648 is 84678732.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (23787649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 6897.

Almost surely, 2^23787648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23787648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35108400).

23787648 is an abundant number, since it is smaller than the sum of its proper divisors (46429152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23787648 is an equidigital number, since it uses as much as digits as its factorization.

23787648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906 (or 6888 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 23787648 is about 4877.2582461871. The cubic root of 23787648 is about 287.5966576072.

The spelling of 23787648 in words is "twenty-three million, seven hundred eighty-seven thousand, six hundred forty-eight".