105456943 has 2 divisors, whose sum is σ = 105456944. Its totient is φ = 105456942.

The previous prime is 105456917. The next prime is 105456959. The reversal of 105456943 is 349654501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105456943 - 2⁹ = 105456431 is a prime.

It is a super-2 number, since 2×105456943² = 22242333653810498, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105456343) 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 as a sum of consecutive naturals, namely, 52728471 + 52728472.

It is an arithmetic number, because the mean of its divisors is an integer number (52728472).

Almost surely, 2^105456943 is an apocalyptic number.

105456943 is a deficient number, since it is larger than the sum of its proper divisors (1).

105456943 is an equidigital number, since it uses as much as digits as its factorization.

105456943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 105456943 is about 10269.2230962230. The cubic root of 105456943 is about 472.4527623708.

The spelling of 105456943 in words is "one hundred five million, four hundred fifty-six thousand, nine hundred forty-three".