108523 has 4 divisors (see below), whose sum is σ = 110880. Its totient is φ = 106168.

The previous prime is 108517. The next prime is 108529. The reversal of 108523 is 325801.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (108517) and next prime (108529).

It is a cyclic number.

It is not a de Polignac number, because 108523 - 2⁹ = 108011 is a prime.

It is a Duffinian number.

108523 is a lucky number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 108523.

It is not an unprimeable number, because it can be changed into a prime (108529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2¹⁰⁸⁵²³ is an apocalyptic number.

108523 is a deficient number, since it is larger than the sum of its proper divisors (2357).

108523 is an equidigital number, since it uses as much as digits as its factorization.

108523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 108523 is about 329.4282926526. The cubic root of 108523 is about 47.6987791720.

The spelling of 108523 in words is "one hundred eight thousand, five hundred twenty-three".