100300400443 has 2 divisors, whose sum is σ = 100300400444. Its totient is φ = 100300400442.

The previous prime is 100300400441. The next prime is 100300400483. The reversal of 100300400443 is 344004003001.

It is a weak prime.

It is an emirp because it is prime and its reverse (344004003001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100300400443 - 2¹ = 100300400441 is a prime.

Together with 100300400441, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100300400443.

It is not a weakly prime, because it can be changed into another prime (100300400441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50150200221 + 50150200222.

It is an arithmetic number, because the mean of its divisors is an integer number (50150200222).

Almost surely, 2^100300400443 is an apocalyptic number.

100300400443 is a deficient number, since it is larger than the sum of its proper divisors (1).

100300400443 is an equidigital number, since it uses as much as digits as its factorization.

100300400443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 100300400443 its reverse (344004003001), we get a palindrome (444304403444).

The spelling of 100300400443 in words is "one hundred billion, three hundred million, four hundred thousand, four hundred forty-three".