23536728 has 96 divisors (see below), whose sum is σ = 67897440. Its totient is φ = 7349760.

The previous prime is 23536703. The next prime is 23536729. The reversal of 23536728 is 82763532.

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

It is a junction number, because it is equal to n+sod(n) for n = 23536692 and 23536701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23536729) 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 23 ways as a sum of consecutive naturals, for example, 100900 + ... + 101132.

It is an arithmetic number, because the mean of its divisors is an integer number (707265).

Almost surely, 2^23536728 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 23536728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33948720).

23536728 is an abundant number, since it is smaller than the sum of its proper divisors (44360712).

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

23536728 is a wasteful number, since it uses less digits than its factorization.

23536728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 322 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 23536728 is about 4851.4665823852. The cubic root of 23536728 is about 286.5818594153.

It can be divided in two parts, 235 and 36728, that added together give a palindrome (36963).

The spelling of 23536728 in words is "twenty-three million, five hundred thirty-six thousand, seven hundred twenty-eight".