100443423303 has 24 divisors (see below), whose sum is σ = 157000142208. Its totient is φ = 64050875064.

The previous prime is 100443423293. The next prime is 100443423383. The reversal of 100443423303 is 303324344001.

100443423303 is a `hidden beast` number, since 10 + 0 + 4 + 4 + 342 + 3 + 303 = 666.

It is not a de Polignac number, because 100443423303 - 2⁴ = 100443423287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100443423383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8980225 + ... + 8991402.

It is an arithmetic number, because the mean of its divisors is an integer number (6541672592).

Almost surely, 2^100443423303 is an apocalyptic number.

100443423303 is a deficient number, since it is larger than the sum of its proper divisors (56556718905).

100443423303 is an equidigital number, since it uses as much as digits as its factorization.

100443423303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17971665 (or 17971653 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 100443423303 its reverse (303324344001), we get a palindrome (403767767304).

The spelling of 100443423303 in words is "one hundred billion, four hundred forty-three million, four hundred twenty-three thousand, three hundred three".