23416320 has 80 divisors (see below), whose sum is σ = 74883600. Its totient is φ = 6242304.

The previous prime is 23416313. The next prime is 23416331. The reversal of 23416320 is 2361432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6156 + ... + 9204.

It is an arithmetic number, because the mean of its divisors is an integer number (936045).

Almost surely, 2^23416320 is an apocalyptic number.

23416320 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 23416320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37441800).

23416320 is an abundant number, since it is smaller than the sum of its proper divisors (51467280).

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

23416320 is an equidigital number, since it uses as much as digits as its factorization.

23416320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23416320 is about 4839.0412273507. The cubic root of 23416320 is about 286.0923300443.

Adding to 23416320 its reverse (2361432), we get a palindrome (25777752).

The spelling of 23416320 in words is "twenty-three million, four hundred sixteen thousand, three hundred twenty".