234520211 has 4 divisors (see below), whose sum is σ = 246863400. Its totient is φ = 222177024.

The previous prime is 234520199. The next prime is 234520241. The reversal of 234520211 is 112025432.

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

It is a cyclic number.

It is not a de Polignac number, because 234520211 - 2⁶ = 234520147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234520241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6171566 + ... + 6171603.

It is an arithmetic number, because the mean of its divisors is an integer number (61715850).

Almost surely, 2^234520211 is an apocalyptic number.

234520211 is a deficient number, since it is larger than the sum of its proper divisors (12343189).

234520211 is a wasteful number, since it uses less digits than its factorization.

234520211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12343188.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 234520211 is about 15314.0527294378. The cubic root of 234520211 is about 616.6803242491.

Adding to 234520211 its reverse (112025432), we get a palindrome (346545643).

The spelling of 234520211 in words is "two hundred thirty-four million, five hundred twenty thousand, two hundred eleven".