105434443 has 4 divisors (see below), whose sum is σ = 105672888. Its totient is φ = 105196000.

The previous prime is 105434429. The next prime is 105434453. The reversal of 105434443 is 344434501.

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 105434443 - 2¹⁷ = 105303371 is a prime.

It is a super-2 number, since 2×105434443² = 22232843541440498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105434453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118558 + ... + 119443.

It is an arithmetic number, because the mean of its divisors is an integer number (26418222).

Almost surely, 2^105434443 is an apocalyptic number.

105434443 is a deficient number, since it is larger than the sum of its proper divisors (238445).

105434443 is an equidigital number, since it uses as much as digits as its factorization.

105434443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238444.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 105434443 is about 10268.1275313467. The cubic root of 105434443 is about 472.4191595785.

Adding to 105434443 its reverse (344434501), we get a palindrome (449868944).

The spelling of 105434443 in words is "one hundred five million, four hundred thirty-four thousand, four hundred forty-three".