234520213 has 8 divisors (see below), whose sum is σ = 245279808. Its totient is φ = 223807584.

The previous prime is 234520199. The next prime is 234520241. The reversal of 234520213 is 312025432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234520213 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 (234520513) 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 7 ways as a sum of consecutive naturals, for example, 1320 + ... + 21697.

It is an arithmetic number, because the mean of its divisors is an integer number (30659976).

Almost surely, 2^234520213 is an apocalyptic number.

234520213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

234520213 is a deficient number, since it is larger than the sum of its proper divisors (10759595).

234520213 is a wasteful number, since it uses less digits than its factorization.

234520213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23483.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 234520213 is about 15314.0527947373. The cubic root of 234520213 is about 616.6803260021.

Adding to 234520213 its reverse (312025432), we get a palindrome (546545645).

The spelling of 234520213 in words is "two hundred thirty-four million, five hundred twenty thousand, two hundred thirteen".