89523 has 24 divisors (see below), whose sum is σ = 156000. Its totient is φ = 49392.

The previous prime is 89521. The next prime is 89527. The reversal of 89523 is 32598.

89523 = 22³ + 23³ + ... + 27³.

It is not a de Polignac number, because 89523 - 2¹ = 89521 is a prime.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (89521) 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, 3073 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (6500).

2⁸⁹⁵²³ is an apocalyptic number.

89523 is a deficient number, since it is larger than the sum of its proper divisors (66477).

89523 is a wasteful number, since it uses less digits than its factorization.

89523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 39 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 89523 is about 299.2039438243. The cubic root of 89523 is about 44.7347356988.

The spelling of 89523 in words is "eighty-nine thousand, five hundred twenty-three".