203343243200 has 84 divisors (see below), whose sum is σ = 500594022432. Its totient is φ = 81297868800.

The previous prime is 203343243161. The next prime is 203343243209. The reversal of 203343243200 is 2342343302.

203343243200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203343243200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203343243209) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3389465 + ... + 3448935.

It is an arithmetic number, because the mean of its divisors is an integer number (5959452648).

Almost surely, 2^203343243200 is an apocalyptic number.

203343243200 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 203343243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250297011216).

203343243200 is an abundant number, since it is smaller than the sum of its proper divisors (297250779232).

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

203343243200 is a wasteful number, since it uses less digits than its factorization.

203343243200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61630 (or 61615 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 203343243200 its reverse (2342343302), we get a palindrome (205685586502).

The spelling of 203343243200 in words is "two hundred three billion, three hundred forty-three million, two hundred forty-three thousand, two hundred".