109473843 has 4 divisors (see below), whose sum is σ = 145965128. Its totient is φ = 72982560.

The previous prime is 109473817. The next prime is 109473887. The reversal of 109473843 is 348374901.

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

It is not a de Polignac number, because 109473843 - 2¹³ = 109465651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109473443) 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, 18245638 + ... + 18245643.

It is an arithmetic number, because the mean of its divisors is an integer number (36491282).

Almost surely, 2^109473843 is an apocalyptic number.

109473843 is a deficient number, since it is larger than the sum of its proper divisors (36491285).

109473843 is an equidigital number, since it uses as much as digits as its factorization.

109473843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36491284.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 109473843 is about 10462.9748637756. The cubic root of 109473843 is about 478.3768131619.

The spelling of 109473843 in words is "one hundred nine million, four hundred seventy-three thousand, eight hundred forty-three".