23788644 has 48 divisors (see below), whose sum is σ = 64120896. Its totient is φ = 6784000.

The previous prime is 23788619. The next prime is 23788663. The reversal of 23788644 is 44688732.

It is a junction number, because it is equal to n+sod(n) for n = 23788596 and 23788605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3057 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (1335852).

Almost surely, 2^23788644 is an apocalyptic number.

It is an amenable number.

23788644 is an abundant number, since it is smaller than the sum of its proper divisors (40332252).

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

23788644 is a wasteful number, since it uses less digits than its factorization.

23788644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636 (or 10634 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 23788644 is about 4877.3603516656. The cubic root of 23788644 is about 287.6006714869.

The spelling of 23788644 in words is "twenty-three million, seven hundred eighty-eight thousand, six hundred forty-four".