100303423443 has 32 divisors (see below), whose sum is σ = 157851429120. Its totient is φ = 62730391680.

The previous prime is 100303423433. The next prime is 100303423447. The reversal of 100303423443 is 344324303001.

100303423443 is a `hidden beast` number, since 10 + 0 + 303 + 4 + 2 + 344 + 3 = 666.

It is not a de Polignac number, because 100303423443 - 2⁹ = 100303422931 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (100303423447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214993 + ... + 496818.

It is an arithmetic number, because the mean of its divisors is an integer number (4932857160).

Almost surely, 2^100303423443 is an apocalyptic number.

100303423443 is a deficient number, since it is larger than the sum of its proper divisors (57548005677).

100303423443 is a wasteful number, since it uses less digits than its factorization.

100303423443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712144 (or 712138 counting only the distinct ones).

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

Adding to 100303423443 its reverse (344324303001), we get a palindrome (444627726444).

The spelling of 100303423443 in words is "one hundred billion, three hundred three million, four hundred twenty-three thousand, four hundred forty-three".