203043320304 has 160 divisors (see below), whose sum is σ = 603007262208. Its totient is φ = 58270080000.

The previous prime is 203043320299. The next prime is 203043320339. The reversal of 203043320304 is 403023340302.

203043320304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1143774 + ... + 1309314.

Almost surely, 2^203043320304 is an apocalyptic number.

203043320304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203043320304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301503631104).

203043320304 is an abundant number, since it is smaller than the sum of its proper divisors (399963941904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203043320304 is a wasteful number, since it uses less digits than its factorization.

203043320304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165687 (or 165681 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 203043320304 its reverse (403023340302), we get a palindrome (606066660606).

It can be divided in two parts, 2030 and 43320304, that added together give a palindrome (43322334).

The spelling of 203043320304 in words is "two hundred three billion, forty-three million, three hundred twenty thousand, three hundred four".