23804920 has 16 divisors (see below), whose sum is σ = 53561160. Its totient is φ = 9521952.

The previous prime is 23804909. The next prime is 23804923. The reversal of 23804920 is 2940832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23804923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297522 + ... + 297601.

Almost surely, 2^23804920 is an apocalyptic number.

23804920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23804920 is an abundant number, since it is smaller than the sum of its proper divisors (29756240).

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

23804920 is a wasteful number, since it uses less digits than its factorization.

23804920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595134 (or 595130 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23804920 is about 4879.0285918408. The cubic root of 23804920 is about 287.6662478934. Note that the first 3 decimals are identical.

The spelling of 23804920 in words is "twenty-three million, eight hundred four thousand, nine hundred twenty".