23527 has 4 divisors (see below), whose sum is σ = 26896. Its totient is φ = 20160.

The previous prime is 23509. The next prime is 23531. The reversal of 23527 is 72532.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23527 - 2⁷ = 23399 is a prime.

It is a d-powerful number, because it can be written as 2 + 3⁸ + 5³ + 2⁵ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23537) 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, 1674 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (6724).

2²³⁵²⁷ is an apocalyptic number.

23527 is a deficient number, since it is larger than the sum of its proper divisors (3369).

23527 is an equidigital number, since it uses as much as digits as its factorization.

23527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368.

The product of its digits is 420, while the sum is 19.

The square root of 23527 is about 153.3851361769. The cubic root of 23527 is about 28.6542371450.

It can be divided in two parts, 235 and 27, that added together give a palindrome (262).

The spelling of 23527 in words is "twenty-three thousand, five hundred twenty-seven".