23880920 has 128 divisors (see below), whose sum is σ = 67651200. Its totient is φ = 7397376.

The previous prime is 23880917. The next prime is 23881027. The reversal of 23880920 is 2908832.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137954 + ... + 138126.

It is an arithmetic number, because the mean of its divisors is an integer number (528525).

Almost surely, 2^23880920 is an apocalyptic number.

23880920 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 23880920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33825600).

23880920 is an abundant number, since it is smaller than the sum of its proper divisors (43770280).

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

23880920 is a wasteful number, since it uses less digits than its factorization.

23880920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 23880920 is about 4886.8108209752. The cubic root of 23880920 is about 287.9720587605.

The spelling of 23880920 in words is "twenty-three million, eight hundred eighty thousand, nine hundred twenty".