23528747 has 16 divisors (see below), whose sum is σ = 27053568. Its totient is φ = 20254080.

The previous prime is 23528723. The next prime is 23528749. The reversal of 23528747 is 74782532.

It is not a de Polignac number, because 23528747 - 2⁶ = 23528683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23528747.

It is not an unprimeable number, because it can be changed into a prime (23528749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28178 + ... + 29000.

It is an arithmetic number, because the mean of its divisors is an integer number (1690848).

Almost surely, 2^23528747 is an apocalyptic number.

23528747 is a deficient number, since it is larger than the sum of its proper divisors (3524821).

23528747 is a wasteful number, since it uses less digits than its factorization.

23528747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its digits is 94080, while the sum is 38.

The square root of 23528747 is about 4850.6439778652. The cubic root of 23528747 is about 286.5494636862.

It can be divided in two parts, 235 and 28747, that added together give a palindrome (28982).

The spelling of 23528747 in words is "twenty-three million, five hundred twenty-eight thousand, seven hundred forty-seven".