23791680 has 168 divisors, whose sum is σ = 89391744. Its totient is φ = 5760000.

The previous prime is 23791673. The next prime is 23791693. The reversal of 23791680 is 8619732.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31305 + ... + 32055.

Almost surely, 2^23791680 is an apocalyptic number.

23791680 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 23791680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44695872).

23791680 is an abundant number, since it is smaller than the sum of its proper divisors (65600064).

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

23791680 is a wasteful number, since it uses less digits than its factorization.

23791680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 23791680 is about 4877.6715756598. The cubic root of 23791680 is about 287.6129058748.

The spelling of 23791680 in words is "twenty-three million, seven hundred ninety-one thousand, six hundred eighty".