23689120 has 96 divisors (see below), whose sum is σ = 68923008. Its totient is φ = 7492608.

The previous prime is 23689111. The next prime is 23689121. The reversal of 23689120 is 2198632.

It is a super-2 number, since 2×23689120² = 1122348812748800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23689121) 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 15 ways as a sum of consecutive naturals, for example, 13747 + ... + 15373.

It is an arithmetic number, because the mean of its divisors is an integer number (717948).

Almost surely, 2^23689120 is an apocalyptic number.

23689120 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 23689120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34461504).

23689120 is an abundant number, since it is smaller than the sum of its proper divisors (45233888).

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

23689120 is a wasteful number, since it uses less digits than its factorization.

23689120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 23689120 is about 4867.1470082585. The cubic root of 23689120 is about 287.1990347653.

The spelling of 23689120 in words is "twenty-three million, six hundred eighty-nine thousand, one hundred twenty".