103203304643 has 4 divisors (see below), whose sum is σ = 103204122168. Its totient is φ = 103202487120.

The previous prime is 103203304621. The next prime is 103203304649. The reversal of 103203304643 is 346403302301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103203304643 - 2⁶ = 103203304579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103203304649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174746 + ... + 486767.

It is an arithmetic number, because the mean of its divisors is an integer number (25801030542).

Almost surely, 2^103203304643 is an apocalyptic number.

103203304643 is a deficient number, since it is larger than the sum of its proper divisors (817525).

103203304643 is an equidigital number, since it uses as much as digits as its factorization.

103203304643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817524.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 103203304643 its reverse (346403302301), we get a palindrome (449606606944).

The spelling of 103203304643 in words is "one hundred three billion, two hundred three million, three hundred four thousand, six hundred forty-three".