23856120 has 160 divisors (see below), whose sum is σ = 82764000. Its totient is φ = 6158592.

The previous prime is 23856113. The next prime is 23856167. The reversal of 23856120 is 2165832.

It is a super-2 number, since 2×23856120² = 1138228922908800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 119781 + ... + 119979.

It is an arithmetic number, because the mean of its divisors is an integer number (517275).

Almost surely, 2^23856120 is an apocalyptic number.

23856120 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 23856120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41382000).

23856120 is an abundant number, since it is smaller than the sum of its proper divisors (58907880).

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

23856120 is a wasteful number, since it uses less digits than its factorization.

23856120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 23856120 is about 4884.2727196585. The cubic root of 23856120 is about 287.8723392540.

The spelling of 23856120 in words is "twenty-three million, eight hundred fifty-six thousand, one hundred twenty".