23207528 has 16 divisors (see below), whose sum is σ = 43565280. Its totient is φ = 11590128.

The previous prime is 23207521. The next prime is 23207537. The reversal of 23207528 is 82570232.

It is a self number, because there is not a number n which added to its sum of digits gives 23207528.

It is not an unprimeable number, because it can be changed into a prime (23207521) 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 3 ways as a sum of consecutive naturals, for example, 12125 + ... + 13907.

It is an arithmetic number, because the mean of its divisors is an integer number (2722830).

Almost surely, 2^23207528 is an apocalyptic number.

It is an amenable number.

23207528 is a deficient number, since it is larger than the sum of its proper divisors (20357752).

23207528 is a wasteful number, since it uses less digits than its factorization.

23207528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 23207528 is about 4817.4192261002. The cubic root of 23207528 is about 285.2394745201.

The spelling of 23207528 in words is "twenty-three million, two hundred seven thousand, five hundred twenty-eight".