203240133344 has 24 divisors (see below), whose sum is σ = 400176279720. Its totient is φ = 101608062336.

The previous prime is 203240133331. The next prime is 203240133401. The reversal of 203240133344 is 443331042302.

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, 96839 + ... + 644870.

It is an arithmetic number, because the mean of its divisors is an integer number (16674011655).

Almost surely, 2^203240133344 is an apocalyptic number.

It is an amenable number.

203240133344 is a deficient number, since it is larger than the sum of its proper divisors (196936146376).

203240133344 is an equidigital number, since it uses as much as digits as its factorization.

203240133344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750282 (or 750274 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 203240133344 its reverse (443331042302), we get a palindrome (646571175646).

The spelling of 203240133344 in words is "two hundred three billion, two hundred forty million, one hundred thirty-three thousand, three hundred forty-four".