105363134243 has 4 divisors (see below), whose sum is σ = 105701922768. Its totient is φ = 105024345720.

The previous prime is 105363134237. The next prime is 105363134363. The reversal of 105363134243 is 342431363501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105363134243 - 2⁶ = 105363134179 is a prime.

It is a super-2 number, since 2×105363134243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105363134203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169393796 + ... + 169394417.

It is an arithmetic number, because the mean of its divisors is an integer number (26425480692).

Almost surely, 2^105363134243 is an apocalyptic number.

105363134243 is a deficient number, since it is larger than the sum of its proper divisors (338788525).

105363134243 is an equidigital number, since it uses as much as digits as its factorization.

105363134243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338788524.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 105363134243 its reverse (342431363501), we get a palindrome (447794497744).

The spelling of 105363134243 in words is "one hundred five billion, three hundred sixty-three million, one hundred thirty-four thousand, two hundred forty-three".