23636172 has 48 divisors (see below), whose sum is σ = 64576512. Its totient is φ = 6587520.

The previous prime is 23636161. The next prime is 23636177. The reversal of 23636172 is 27163632.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23636177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (1345344).

Almost surely, 2^23636172 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 23636172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32288256).

23636172 is an abundant number, since it is smaller than the sum of its proper divisors (40940340).

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

23636172 is a wasteful number, since it uses less digits than its factorization.

23636172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918 (or 6916 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 23636172 is about 4861.7046393215. The cubic root of 23636172 is about 286.9849004832.

The spelling of 23636172 in words is "twenty-three million, six hundred thirty-six thousand, one hundred seventy-two".