234109 has 4 divisors (see below), whose sum is σ = 235516. Its totient is φ = 232704.

The previous prime is 234103. The next prime is 234121. The reversal of 234109 is 901432.

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 28900 + 205209 = 170^2 + 453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234109 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234103) 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, 414 + ... + 799.

It is an arithmetic number, because the mean of its divisors is an integer number (58879).

2²³⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

234109 is a deficient number, since it is larger than the sum of its proper divisors (1407).

234109 is a wasteful number, since it uses less digits than its factorization.

234109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 234109 is about 483.8481166647. The cubic root of 234109 is about 61.6319681429.

It can be divided in two parts, 234 and 109, that added together give a palindrome (343).

The spelling of 234109 in words is "two hundred thirty-four thousand, one hundred nine".