100243444203 has 96 divisors (see below), whose sum is σ = 170698844160. Its totient is φ = 55509442560.

The previous prime is 100243444187. The next prime is 100243444229. The reversal of 100243444203 is 302444342001.

It is a happy number.

100243444203 is a `hidden beast` number, since 10 + 0 + 2 + 4 + 3 + 444 + 203 = 666.

It is not a de Polignac number, because 100243444203 - 2⁴ = 100243444187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100243444253) 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 in 95 ways as a sum of consecutive naturals, for example, 173731851 + ... + 173732427.

It is an arithmetic number, because the mean of its divisors is an integer number (1778112960).

Almost surely, 2^100243444203 is an apocalyptic number.

100243444203 is a deficient number, since it is larger than the sum of its proper divisors (70455399957).

100243444203 is a wasteful number, since it uses less digits than its factorization.

100243444203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 100243444203 its reverse (302444342001), we get a palindrome (402687786204).

It can be divided in two parts, 100243 and 444203, that added together give a triangular number (544446 = T₁₀₄₃).

The spelling of 100243444203 in words is "one hundred billion, two hundred forty-three million, four hundred forty-four thousand, two hundred three".