203234204140 has 192 divisors, whose sum is σ = 495950999040. Its totient is φ = 69181378560.

The previous prime is 203234204137. The next prime is 203234204149. The reversal of 203234204140 is 41402432302.

It is a happy number.

203234204140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (203234204149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 277263214 + ... + 277263946.

It is an arithmetic number, because the mean of its divisors is an integer number (2583078120).

Almost surely, 2^203234204140 is an apocalyptic number.

203234204140 is a gapful number since it is divisible by the number (20) 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 203234204140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247975499520).

203234204140 is an abundant number, since it is smaller than the sum of its proper divisors (292716794900).

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

203234204140 is a wasteful number, since it uses less digits than its factorization.

203234204140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203234204140 its reverse (41402432302), we get a palindrome (244636636442).

The spelling of 203234204140 in words is "two hundred three billion, two hundred thirty-four million, two hundred four thousand, one hundred forty".