105234230213 has 4 divisors (see below), whose sum is σ = 120267691680. Its totient is φ = 90200768748.

The previous prime is 105234230207. The next prime is 105234230221. The reversal of 105234230213 is 312032432501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105234230213 - 2¹⁰ = 105234229189 is a prime.

It is a super-2 number, since 2×105234230213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105234239213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7516730723 + ... + 7516730736.

It is an arithmetic number, because the mean of its divisors is an integer number (30066922920).

Almost surely, 2^105234230213 is an apocalyptic number.

It is an amenable number.

105234230213 is a deficient number, since it is larger than the sum of its proper divisors (15033461467).

105234230213 is an equidigital number, since it uses as much as digits as its factorization.

105234230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15033461466.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 105234230213 its reverse (312032432501), we get a palindrome (417266662714).

The spelling of 105234230213 in words is "one hundred five billion, two hundred thirty-four million, two hundred thirty thousand, two hundred thirteen".