23820648 has 64 divisors (see below), whose sum is σ = 62277120. Its totient is φ = 7584000.

The previous prime is 23820619. The next prime is 23820659. The reversal of 23820648 is 84602832.

It is a super-2 number, since 2×23820648² = 1134846542279808, which contains 22 as substring.

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, 74986 + ... + 75302.

It is an arithmetic number, because the mean of its divisors is an integer number (973080).

Almost surely, 2^23820648 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 23820648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31138560).

23820648 is an abundant number, since it is smaller than the sum of its proper divisors (38456472).

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

23820648 is a wasteful number, since it uses less digits than its factorization.

23820648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 23820648 is about 4880.6401219512. The cubic root of 23820648 is about 287.7295880024.

The spelling of 23820648 in words is "twenty-three million, eight hundred twenty thousand, six hundred forty-eight".