203223232240 has 80 divisors (see below), whose sum is σ = 552551205888. Its totient is φ = 68056144128.

The previous prime is 203223232213. The next prime is 203223232259. The reversal of 203223232240 is 42232322302.

203223232240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 4195672 + ... + 4243831.

Almost surely, 2^203223232240 is an apocalyptic number.

203223232240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203223232240 is an abundant number, since it is smaller than the sum of its proper divisors (349327973648).

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

203223232240 is a wasteful number, since it uses less digits than its factorization.

203223232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439566 (or 8439560 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 203223232240 its reverse (42232322302), we get a palindrome (245455554542).

The spelling of 203223232240 in words is "two hundred three billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred forty".