105223043 has 2 divisors, whose sum is σ = 105223044. Its totient is φ = 105223042.

The previous prime is 105222983. The next prime is 105223057. The reversal of 105223043 is 340322501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105223043 - 2²⁴ = 88445827 is a prime.

It is a super-2 number, since 2×105223043² = 22143777556359698, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (105223093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52611521 + 52611522.

It is an arithmetic number, because the mean of its divisors is an integer number (52611522).

Almost surely, 2^105223043 is an apocalyptic number.

105223043 is a deficient number, since it is larger than the sum of its proper divisors (1).

105223043 is an equidigital number, since it uses as much as digits as its factorization.

105223043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 105223043 is about 10257.8283764157. The cubic root of 105223043 is about 472.1032089611.

Adding to 105223043 its reverse (340322501), we get a palindrome (445545544).

The spelling of 105223043 in words is "one hundred five million, two hundred twenty-three thousand, forty-three".