243232205304 has 64 divisors (see below), whose sum is σ = 698274288000. Its totient is φ = 69827425920.

The previous prime is 243232205299. The next prime is 243232205317. The reversal of 243232205304 is 403502232342.

It is a happy number.

243232205304 is digitally balanced in base 2 and base 3, because in such bases 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 15 ways as a sum of consecutive naturals, for example, 24240619 + ... + 24250650.

It is an arithmetic number, because the mean of its divisors is an integer number (10910535750).

Almost surely, 2^243232205304 is an apocalyptic number.

243232205304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243232205304 is an abundant number, since it is smaller than the sum of its proper divisors (455042082696).

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

243232205304 is a wasteful number, since it uses less digits than its factorization.

243232205304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48491308 (or 48491304 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 243232205304 its reverse (403502232342), we get a palindrome (646734437646).

The spelling of 243232205304 in words is "two hundred forty-three billion, two hundred thirty-two million, two hundred five thousand, three hundred four".