100434443 has 2 divisors, whose sum is σ = 100434444. Its totient is φ = 100434442.

The previous prime is 100434431. The next prime is 100434463. The reversal of 100434443 is 344434001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100434443 - 2⁴ = 100434427 is a prime.

It is not a weakly prime, because it can be changed into another prime (100434403) 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, 50217221 + 50217222.

It is an arithmetic number, because the mean of its divisors is an integer number (50217222).

Almost surely, 2^100434443 is an apocalyptic number.

100434443 is a deficient number, since it is larger than the sum of its proper divisors (1).

100434443 is an equidigital number, since it uses as much as digits as its factorization.

100434443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 100434443 is about 10021.6986085194. The cubic root of 100434443 is about 464.8300808999.

Adding to 100434443 its reverse (344434001), we get a palindrome (444868444).

The spelling of 100434443 in words is "one hundred million, four hundred thirty-four thousand, four hundred forty-three".