23868856 has 64 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 10200960.

The previous prime is 23868829. The next prime is 23868893. The reversal of 23868856 is 65886832.

It is a happy number.

Its product of digits (552960) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 119845 + ... + 120043.

It is an arithmetic number, because the mean of its divisors is an integer number (810000).

Almost surely, 2^23868856 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 23868856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25920000).

23868856 is an abundant number, since it is smaller than the sum of its proper divisors (27971144).

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

23868856 is a wasteful number, since it uses less digits than its factorization.

23868856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 288 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 23868856 is about 4885.5763221958. The cubic root of 23868856 is about 287.9235586735.

The spelling of 23868856 in words is "twenty-three million, eight hundred sixty-eight thousand, eight hundred fifty-six".