23856112 has 40 divisors (see below), whose sum is σ = 54536192. Its totient is φ = 9892800.

The previous prime is 23856103. The next prime is 23856113. The reversal of 23856112 is 21165832.

It is a super-2 number, since 2×23856112² = 1138228159513088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23856113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 6907.

Almost surely, 2^23856112 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 23856112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27268096).

23856112 is an abundant number, since it is smaller than the sum of its proper divisors (30680080).

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

23856112 is a wasteful number, since it uses less digits than its factorization.

23856112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917 (or 6911 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 23856112 is about 4884.2719007033. The cubic root of 23856112 is about 287.8723070752.

The spelling of 23856112 in words is "twenty-three million, eight hundred fifty-six thousand, one hundred twelve".