105303043 has 2 divisors, whose sum is σ = 105303044. Its totient is φ = 105303042.

The previous prime is 105303041. The next prime is 105303061. The reversal of 105303043 is 340303501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105303043 - 2¹ = 105303041 is a prime.

It is a super-2 number, since 2×105303043² = 22177461730119698, which contains 22 as substring.

Together with 105303041, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 105303043.

It is not a weakly prime, because it can be changed into another prime (105303041) 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, 52651521 + 52651522.

It is an arithmetic number, because the mean of its divisors is an integer number (52651522).

Almost surely, 2^105303043 is an apocalyptic number.

105303043 is a deficient number, since it is larger than the sum of its proper divisors (1).

105303043 is an equidigital number, since it uses as much as digits as its factorization.

105303043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 105303043 is about 10261.7270963518. The cubic root of 105303043 is about 472.2228237275. Note that the first 3 decimals are identical.

Adding to 105303043 its reverse (340303501), we get a palindrome (445606544).

The spelling of 105303043 in words is "one hundred five million, three hundred three thousand, forty-three".