108623 has 4 divisors (see below), whose sum is σ = 114360. Its totient is φ = 102888.

The previous prime is 108587. The next prime is 108631. The reversal of 108623 is 326801.

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

It is a cyclic number.

It is not a de Polignac number, because 108623 - 2¹⁰ = 107599 is a prime.

It is a super-2 number, since 2×108623² = 23597912258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108595 and 108604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108643) 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, 2840 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (28590).

2¹⁰⁸⁶²³ is an apocalyptic number.

108623 is a deficient number, since it is larger than the sum of its proper divisors (5737).

108623 is an equidigital number, since it uses as much as digits as its factorization.

108623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 108623 is about 329.5800358031. The cubic root of 108623 is about 47.7134255713.

The spelling of 108623 in words is "one hundred eight thousand, six hundred twenty-three".