23017680 has 120 divisors (see below), whose sum is σ = 88363392. Its totient is φ = 5260032.

The previous prime is 23017667. The next prime is 23017681. The reversal of 23017680 is 8671032.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23017681) 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, 2757 + ... + 7323.

Almost surely, 2^23017680 is an apocalyptic number.

23017680 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 23017680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44181696).

23017680 is an abundant number, since it is smaller than the sum of its proper divisors (65345712).

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

23017680 is a wasteful number, since it uses less digits than its factorization.

23017680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 23017680 is about 4797.6744366412. The cubic root of 23017680 is about 284.4595482612.

The spelling of 23017680 in words is "twenty-three million, seventeen thousand, six hundred eighty".