23805900 has 90 divisors (see below), whose sum is σ = 77195580. Its totient is φ = 6346080.

The previous prime is 23805893. The next prime is 23805913. The reversal of 23805900 is 950832.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6631 + ... + 9569.

Almost surely, 2^23805900 is an apocalyptic number.

23805900 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 23805900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38597790).

23805900 is an abundant number, since it is smaller than the sum of its proper divisors (53389680).

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

23805900 is a wasteful number, since it uses less digits than its factorization.

23805900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 23805900 is about 4879.1290206347. The cubic root of 23805900 is about 287.6701953835.

The spelling of 23805900 in words is "twenty-three million, eight hundred five thousand, nine hundred".