109644233 has 4 divisors (see below), whose sum is σ = 110034708. Its totient is φ = 109253760.

The previous prime is 109644217. The next prime is 109644253. The reversal of 109644233 is 332446901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30558784 + 79085449 = 5528^2 + 8893^2 .

It is a cyclic number.

It is not a de Polignac number, because 109644233 - 2⁴ = 109644217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109644233.

It is not an unprimeable number, because it can be changed into a prime (109644253) 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, 194816 + ... + 195377.

It is an arithmetic number, because the mean of its divisors is an integer number (27508677).

Almost surely, 2^109644233 is an apocalyptic number.

It is an amenable number.

109644233 is a deficient number, since it is larger than the sum of its proper divisors (390475).

109644233 is an equidigital number, since it uses as much as digits as its factorization.

109644233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390474.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 109644233 is about 10471.1142196043. The cubic root of 109644233 is about 478.6248735526.

The spelling of 109644233 in words is "one hundred nine million, six hundred forty-four thousand, two hundred thirty-three".