23985504 has 192 divisors, whose sum is σ = 78382080. Its totient is φ = 7096320.

The previous prime is 23985497. The next prime is 23985517. The reversal of 23985504 is 40558932.

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

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, 337789 + ... + 337859.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^23985504 is an apocalyptic number.

23985504 is a gapful number since it is divisible by the number (24) 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 23985504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39191040).

23985504 is an abundant number, since it is smaller than the sum of its proper divisors (54396576).

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

23985504 is a wasteful number, since it uses less digits than its factorization.

23985504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 23985504 is about 4897.4997702910. The cubic root of 23985504 is about 288.3918277825.

The spelling of 23985504 in words is "twenty-three million, nine hundred eighty-five thousand, five hundred four".