23907680 has 24 divisors (see below), whose sum is σ = 56482272. Its totient is φ = 9563008.

The previous prime is 23907671. The next prime is 23907701. The reversal of 23907680 is 8670932.

It is a self number, because there is not a number n which added to its sum of digits gives 23907680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74552 + ... + 74871.

It is an arithmetic number, because the mean of its divisors is an integer number (2353428).

Almost surely, 2^23907680 is an apocalyptic number.

23907680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23907680 is an abundant number, since it is smaller than the sum of its proper divisors (32574592).

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

23907680 is a wasteful number, since it uses less digits than its factorization.

23907680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149438 (or 149430 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 23907680 is about 4889.5480363731. The cubic root of 23907680 is about 288.0795819169.

The spelling of 23907680 in words is "twenty-three million, nine hundred seven thousand, six hundred eighty".