23528736 has 144 divisors (see below), whose sum is σ = 83498688. Its totient is φ = 6105600.

The previous prime is 23528723. The next prime is 23528749. The reversal of 23528736 is 63782532.

It is an interprime number because it is at equal distance from previous prime (23528723) and next prime (23528749).

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 23528736.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21646 + ... + 22706.

It is an arithmetic number, because the mean of its divisors is an integer number (579852).

Almost surely, 2^23528736 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 23528736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41749344).

23528736 is an abundant number, since it is smaller than the sum of its proper divisors (59969952).

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

23528736 is a wasteful number, since it uses less digits than its factorization.

23528736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1084 counting only the distinct ones).

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

The square root of 23528736 is about 4850.6428439950. The cubic root of 23528736 is about 286.5494190310.

The spelling of 23528736 in words is "twenty-three million, five hundred twenty-eight thousand, seven hundred thirty-six".