105243343 has 2 divisors, whose sum is σ = 105243344. Its totient is φ = 105243342.

The previous prime is 105243323. The next prime is 105243353. The reversal of 105243343 is 343342501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105243343 - 2⁹ = 105242831 is a prime.

It is a super-2 number, since 2×105243343² = 22152322491631298, which contains 22 as substring.

It is equal to p_6045910 and since 105243343 and 6045910 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105243323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52621671 + 52621672.

It is an arithmetic number, because the mean of its divisors is an integer number (52621672).

Almost surely, 2^105243343 is an apocalyptic number.

105243343 is a deficient number, since it is larger than the sum of its proper divisors (1).

105243343 is an equidigital number, since it uses as much as digits as its factorization.

105243343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 105243343 is about 10258.8178168832. The cubic root of 105243343 is about 472.1335669467.

Adding to 105243343 its reverse (343342501), we get a palindrome (448585844).

The spelling of 105243343 in words is "one hundred five million, two hundred forty-three thousand, three hundred forty-three".