100043200443 has 32 divisors (see below), whose sum is σ = 136640401920. Its totient is φ = 65096628480.

The previous prime is 100043200421. The next prime is 100043200507. The reversal of 100043200443 is 344002340001.

It is not a de Polignac number, because 100043200443 - 2⁹ = 100043199931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100043200843) 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, 5860146 + ... + 5877192.

It is an arithmetic number, because the mean of its divisors is an integer number (4270012560).

Almost surely, 2^100043200443 is an apocalyptic number.

100043200443 is a deficient number, since it is larger than the sum of its proper divisors (36597201477).

100043200443 is a wasteful number, since it uses less digits than its factorization.

100043200443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17427.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 100043200443 its reverse (344002340001), we get a palindrome (444045540444).

The spelling of 100043200443 in words is "one hundred billion, forty-three million, two hundred thousand, four hundred forty-three".