105393924243 has 12 divisors (see below), whose sum is σ = 156350146368. Its totient is φ = 68363626320.

The previous prime is 105393924239. The next prime is 105393924257. The reversal of 105393924243 is 342429393501.

105393924243 is a `hidden beast` number, since 1 + 0 + 53 + 93 + 92 + 424 + 3 = 666.

It is not a de Polignac number, because 105393924243 - 2² = 105393924239 is a prime.

It is a super-2 number, since 2×105393924243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105393924283) 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 11 ways as a sum of consecutive naturals, for example, 158248803 + ... + 158249468.

It is an arithmetic number, because the mean of its divisors is an integer number (13029178864).

Almost surely, 2^105393924243 is an apocalyptic number.

105393924243 is a deficient number, since it is larger than the sum of its proper divisors (50956222125).

105393924243 is a wasteful number, since it uses less digits than its factorization.

105393924243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316498314 (or 316498311 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 105393924243 in words is "one hundred five billion, three hundred ninety-three million, nine hundred twenty-four thousand, two hundred forty-three".