23318680 has 128 divisors (see below), whose sum is σ = 66977280. Its totient is φ = 7096320.

The previous prime is 23318677. The next prime is 23318717. The reversal of 23318680 is 8681332.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 206304 + ... + 206416.

It is an arithmetic number, because the mean of its divisors is an integer number (523260).

Almost surely, 2^23318680 is an apocalyptic number.

23318680 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 23318680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33488640).

23318680 is an abundant number, since it is smaller than the sum of its proper divisors (43658600).

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

23318680 is a wasteful number, since it uses less digits than its factorization.

23318680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 23318680 is about 4828.9419130903. The cubic root of 23318680 is about 285.6941323880.

It can be divided in two parts, 2331 and 8680, that added together give a palindrome (11011).

The spelling of 23318680 in words is "twenty-three million, three hundred eighteen thousand, six hundred eighty".