243320350105 has 16 divisors (see below), whose sum is σ = 333706961664. Its totient is φ = 166842999360.

The previous prime is 243320350093. The next prime is 243320350153. The reversal of 243320350105 is 501053023342.

243320350105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243320350105 - 2²⁷ = 243186132377 is a prime.

It is a super-2 number, since 2×243320350105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1264420 + ... + 1444090.

It is an arithmetic number, because the mean of its divisors is an integer number (20856685104).

Almost surely, 2^243320350105 is an apocalyptic number.

It is an amenable number.

243320350105 is a deficient number, since it is larger than the sum of its proper divisors (90386611559).

243320350105 is a wasteful number, since it uses less digits than its factorization.

243320350105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218376.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 243320350105 its reverse (501053023342), we get a palindrome (744373373447).

The spelling of 243320350105 in words is "two hundred forty-three billion, three hundred twenty million, three hundred fifty thousand, one hundred five".