100443432143 has 4 divisors (see below), whose sum is σ = 100456696080. Its totient is φ = 100430168208.

The previous prime is 100443432107. The next prime is 100443432157. The reversal of 100443432143 is 341234344001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100443432143 - 2²⁰ = 100442383567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100443432343) 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, 6620603 + ... + 6635756.

It is an arithmetic number, because the mean of its divisors is an integer number (25114174020).

Almost surely, 2^100443432143 is an apocalyptic number.

100443432143 is a deficient number, since it is larger than the sum of its proper divisors (13263937).

100443432143 is an equidigital number, since it uses as much as digits as its factorization.

100443432143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13263936.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 100443432143 its reverse (341234344001), we get a palindrome (441677776144).

The spelling of 100443432143 in words is "one hundred billion, four hundred forty-three million, four hundred thirty-two thousand, one hundred forty-three".