105300043 has 2 divisors, whose sum is σ = 105300044. Its totient is φ = 105300042.

The previous prime is 105300017. The next prime is 105300053. The reversal of 105300043 is 340003501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105300043 - 2⁵ = 105300011 is a prime.

It is a super-2 number, since 2×105300043² = 22176198111603698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105300053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52650021 + 52650022.

It is an arithmetic number, because the mean of its divisors is an integer number (52650022).

Almost surely, 2^105300043 is an apocalyptic number.

105300043 is a deficient number, since it is larger than the sum of its proper divisors (1).

105300043 is an equidigital number, since it uses as much as digits as its factorization.

105300043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 105300043 is about 10261.5809210862. The cubic root of 105300043 is about 472.2183392673.

Adding to 105300043 its reverse (340003501), we get a palindrome (445303544).

The spelling of 105300043 in words is "one hundred five million, three hundred thousand, forty-three".