203243343424 has 56 divisors (see below), whose sum is σ = 443334440736. Its totient is φ = 91678080000.

The previous prime is 203243343421. The next prime is 203243343451. The reversal of 203243343424 is 424343342302.

203243343424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×203243343424³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203243343424.

It is not an unprimeable number, because it can be changed into a prime (203243343421) 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 7 ways as a sum of consecutive naturals, for example, 1009677 + ... + 1194124.

Almost surely, 2^203243343424 is an apocalyptic number.

It is an amenable number.

203243343424 is an abundant number, since it is smaller than the sum of its proper divisors (240091097312).

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

203243343424 is a wasteful number, since it uses less digits than its factorization.

203243343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203955 (or 2203945 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 203243343424 its reverse (424343342302), we get a palindrome (627586685726).

The spelling of 203243343424 in words is "two hundred three billion, two hundred forty-three million, three hundred forty-three thousand, four hundred twenty-four".