23563632 has 80 divisors (see below), whose sum is σ = 65567232. Its totient is φ = 7265280.

The previous prime is 23563609. The next prime is 23563633. The reversal of 23563632 is 23636532.

It is a self number, because there is not a number n which added to its sum of digits gives 23563632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23563633) 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 15 ways as a sum of consecutive naturals, for example, 54457 + ... + 54887.

Almost surely, 2^23563632 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 23563632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32783616).

23563632 is an abundant number, since it is smaller than the sum of its proper divisors (42003600).

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

23563632 is a wasteful number, since it uses less digits than its factorization.

23563632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 520 counting only the distinct ones).

The product of its digits is 19440, while the sum is 30.

The square root of 23563632 is about 4854.2385602687. The cubic root of 23563632 is about 286.6910116936.

Subtracting 23563632 from its reverse (23636532), we obtain a square (72900 = 270²).

The spelling of 23563632 in words is "twenty-three million, five hundred sixty-three thousand, six hundred thirty-two".