23840208 has 120 divisors (see below), whose sum is σ = 77608128. Its totient is φ = 6690816.

The previous prime is 23840207. The next prime is 23840227. The reversal of 23840208 is 80204832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23840207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67360 + ... + 67712.

Almost surely, 2^23840208 is an apocalyptic number.

23840208 is a gapful number since it is divisible by the number (28) 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 23840208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38804064).

23840208 is an abundant number, since it is smaller than the sum of its proper divisors (53767920).

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

23840208 is a wasteful number, since it uses less digits than its factorization.

23840208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 23840208 is about 4882.6435462770. The cubic root of 23840208 is about 287.8083215307.

The spelling of 23840208 in words is "twenty-three million, eight hundred forty thousand, two hundred eight".