203343230100 has 144 divisors (see below), whose sum is σ = 597086284032. Its totient is φ = 53420451840.

The previous prime is 203343230093. The next prime is 203343230159. The reversal of 203343230100 is 1032343302.

203343230100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 20865829 + ... + 20875571.

It is an arithmetic number, because the mean of its divisors is an integer number (4146432528).

Almost surely, 2^203343230100 is an apocalyptic number.

203343230100 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 203343230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298543142016).

203343230100 is an abundant number, since it is smaller than the sum of its proper divisors (393743053932).

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

203343230100 is a wasteful number, since it uses less digits than its factorization.

203343230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10786 (or 10779 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203343230100 its reverse (1032343302), we get a palindrome (204375573402).

The spelling of 203343230100 in words is "two hundred three billion, three hundred forty-three million, two hundred thirty thousand, one hundred".