108635243 has 4 divisors (see below), whose sum is σ = 111161688. Its totient is φ = 106108800.

The previous prime is 108635237. The next prime is 108635291. The reversal of 108635243 is 342536801.

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 108635243 - 2⁴ = 108635227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108635203) 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, 1263158 + ... + 1263243.

It is an arithmetic number, because the mean of its divisors is an integer number (27790422).

Almost surely, 2^108635243 is an apocalyptic number.

108635243 is a deficient number, since it is larger than the sum of its proper divisors (2526445).

108635243 is an equidigital number, since it uses as much as digits as its factorization.

108635243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526444.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 108635243 is about 10422.8231780070. The cubic root of 108635243 is about 477.1521811224.

The spelling of 108635243 in words is "one hundred eight million, six hundred thirty-five thousand, two hundred forty-three".