234430213 has 2 divisors, whose sum is σ = 234430214. Its totient is φ = 234430212.

The previous prime is 234430201. The next prime is 234430247. The reversal of 234430213 is 312034432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176411524 + 58018689 = 13282^2 + 7617^2 .

It is a cyclic number.

It is not a de Polignac number, because 234430213 - 2¹⁷ = 234299141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234430013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117215106 + 117215107.

It is an arithmetic number, because the mean of its divisors is an integer number (117215107).

Almost surely, 2^234430213 is an apocalyptic number.

It is an amenable number.

234430213 is a deficient number, since it is larger than the sum of its proper divisors (1).

234430213 is an equidigital number, since it uses as much as digits as its factorization.

234430213 is an evil number, because the sum of its binary digits is even.

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

The square root of 234430213 is about 15311.1140352360. The cubic root of 234430213 is about 616.6014297030.

Adding to 234430213 its reverse (312034432), we get a palindrome (546464645).

The spelling of 234430213 in words is "two hundred thirty-four million, four hundred thirty thousand, two hundred thirteen".