234340213 has 8 divisors (see below), whose sum is σ = 243055800. Its totient is φ = 225667008.

The previous prime is 234340199. The next prime is 234340229. The reversal of 234340213 is 312043432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60575089 + 173765124 = 7783^2 + 13182^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234340213 - 2⁹ = 234339701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234344213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895 + ... + 21667.

It is an arithmetic number, because the mean of its divisors is an integer number (30381975).

Almost surely, 2^234340213 is an apocalyptic number.

It is an amenable number.

234340213 is a deficient number, since it is larger than the sum of its proper divisors (8715587).

234340213 is a wasteful number, since it uses less digits than its factorization.

234340213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 234340213 is about 15308.1747115716. The cubic root of 234340213 is about 616.5225132086.

Adding to 234340213 its reverse (312043432), we get a palindrome (546383645).

The spelling of 234340213 in words is "two hundred thirty-four million, three hundred forty thousand, two hundred thirteen".