23783980 has 24 divisors (see below), whose sum is σ = 54487440. Its totient is φ = 8648640.

The previous prime is 23783971. The next prime is 23783993. The reversal of 23783980 is 8938732.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53835 + ... + 54274.

It is an arithmetic number, because the mean of its divisors is an integer number (2270310).

Almost surely, 2^23783980 is an apocalyptic number.

23783980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23783980 is an abundant number, since it is smaller than the sum of its proper divisors (30703460).

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

23783980 is a wasteful number, since it uses less digits than its factorization.

23783980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108129 (or 108127 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 23783980 is about 4876.8822007508. The cubic root of 23783980 is about 287.5818746020.

The spelling of 23783980 in words is "twenty-three million, seven hundred eighty-three thousand, nine hundred eighty".