203045050403 has 12 divisors (see below), whose sum is σ = 219379804560. Its totient is φ = 186814564272.

The previous prime is 203045050399. The next prime is 203045050441. The reversal of 203045050403 is 304050540302.

203045050403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203045050403 - 2² = 203045050399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203045050463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1142378 + ... + 1308096.

It is an arithmetic number, because the mean of its divisors is an integer number (18281650380).

Almost surely, 2^203045050403 is an apocalyptic number.

203045050403 is a deficient number, since it is larger than the sum of its proper divisors (16334754157).

203045050403 is an equidigital number, since it uses as much as digits as its factorization.

203045050403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166346 (or 166039 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 203045050403 its reverse (304050540302), we get a palindrome (507095590705).

The spelling of 203045050403 in words is "two hundred three billion, forty-five million, fifty thousand, four hundred three".