23838320 has 80 divisors (see below), whose sum is σ = 61281792. Its totient is φ = 8551680.

The previous prime is 23838317. The next prime is 23838337. The reversal of 23838320 is 2383832.

It is a tau number, because it is divible by the number of its divisors (80).

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, 90509 + ... + 90771.

Almost surely, 2^23838320 is an apocalyptic number.

23838320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23838320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30640896).

23838320 is an abundant number, since it is smaller than the sum of its proper divisors (37443472).

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

23838320 is a wasteful number, since it uses less digits than its factorization.

23838320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 23838320 is about 4882.4502045592. The cubic root of 23838320 is about 287.8007237718.

The spelling of 23838320 in words is "twenty-three million, eight hundred thirty-eight thousand, three hundred twenty".