105321543403243 has 8 divisors (see below), whose sum is σ = 106128958666896. Its totient is φ = 104514180170400.

The previous prime is 105321543403229. The next prime is 105321543403247. The reversal of 105321543403243 is 342304345123501.

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

It is a cyclic number.

It is not a de Polignac number, because 105321543403243 - 2⁴⁵ = 70137171314411 is a prime.

It is a super-2 number, since 2×105321543403243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105321543403196 and 105321543403205.

It is not an unprimeable number, because it can be changed into a prime (105321543403247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8938896 + ... + 17045437.

It is an arithmetic number, because the mean of its divisors is an integer number (13266119833362).

Almost surely, 2^{105321543403243} is an apocalyptic number.

105321543403243 is a deficient number, since it is larger than the sum of its proper divisors (807415263653).

105321543403243 is a wasteful number, since it uses less digits than its factorization.

105321543403243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26015405.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 105321543403243 its reverse (342304345123501), we get a palindrome (447625888526744).

The spelling of 105321543403243 in words is "one hundred five trillion, three hundred twenty-one billion, five hundred forty-three million, four hundred three thousand, two hundred forty-three".