203043402004 has 12 divisors (see below), whose sum is σ = 357710692500. Its totient is φ = 100840347008.

The previous prime is 203043401963. The next prime is 203043402047. The reversal of 203043402004 is 400204340302.

It can be written as a sum of positive squares in 2 ways, for example, as 47293200900 + 155750201104 = 217470^2 + 394652^2 .

It is a congruent number.

It is an unprimeable number.

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, 170337829 + ... + 170339020.

It is an arithmetic number, because the mean of its divisors is an integer number (29809224375).

Almost surely, 2^203043402004 is an apocalyptic number.

It is an amenable number.

203043402004 is a deficient number, since it is larger than the sum of its proper divisors (154667290496).

203043402004 is a wasteful number, since it uses less digits than its factorization.

203043402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340677002 (or 340677000 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 203043402004 its reverse (400204340302), we get a palindrome (603247742306).

The spelling of 203043402004 in words is "two hundred three billion, forty-three million, four hundred two thousand, four".