100543204043 has 4 divisors (see below), whose sum is σ = 100914212448. Its totient is φ = 100172195640.

The previous prime is 100543204033. The next prime is 100543204051. The reversal of 100543204043 is 340402345001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340402345001 = 17 ⋅20023667353.

It is a cyclic number.

It is not a de Polignac number, because 100543204043 - 2²⁶ = 100476095179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100543204033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185503796 + ... + 185504337.

It is an arithmetic number, because the mean of its divisors is an integer number (25228553112).

Almost surely, 2^100543204043 is an apocalyptic number.

100543204043 is a deficient number, since it is larger than the sum of its proper divisors (371008405).

100543204043 is an equidigital number, since it uses as much as digits as its factorization.

100543204043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371008404.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 100543204043 its reverse (340402345001), we get a palindrome (440945549044).

The spelling of 100543204043 in words is "one hundred billion, five hundred forty-three million, two hundred four thousand, forty-three".