23645804 has 72 divisors (see below), whose sum is σ = 54109440. Its totient is φ = 8828352.

The previous prime is 23645803. The next prime is 23645819. The reversal of 23645804 is 40854632.

It is not an unprimeable number, because it can be changed into a prime (23645801) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 89777 + ... + 90039.

It is an arithmetic number, because the mean of its divisors is an integer number (751520).

Almost surely, 2^23645804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23645804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27054720).

23645804 is an abundant number, since it is smaller than the sum of its proper divisors (30463636).

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

23645804 is a wasteful number, since it uses less digits than its factorization.

23645804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 23645804 is about 4862.6951374726. The cubic root of 23645804 is about 287.0238783566.

The spelling of 23645804 in words is "twenty-three million, six hundred forty-five thousand, eight hundred four".