201043432103 has 4 divisors (see below), whose sum is σ = 201100893000. Its totient is φ = 200985971208.

The previous prime is 201043432061. The next prime is 201043432127. The reversal of 201043432103 is 301234340102.

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 201043432103 - 2²⁰ = 201042383527 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 (201043432003) 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 3 ways as a sum of consecutive naturals, for example, 28725200 + ... + 28732197.

It is an arithmetic number, because the mean of its divisors is an integer number (50275223250).

Almost surely, 2^201043432103 is an apocalyptic number.

201043432103 is a deficient number, since it is larger than the sum of its proper divisors (57460897).

201043432103 is an equidigital number, since it uses as much as digits as its factorization.

201043432103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57460896.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 201043432103 its reverse (301234340102), we get a palindrome (502277772205).

The spelling of 201043432103 in words is "two hundred one billion, forty-three million, four hundred thirty-two thousand, one hundred three".