243440020232 has 32 divisors (see below), whose sum is σ = 460773684000. Its totient is φ = 120567323904.

The previous prime is 243440020207. The next prime is 243440020283. The reversal of 243440020232 is 232020044342.

It is a happy number.

243440020232 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 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 7 ways as a sum of consecutive naturals, for example, 10302143 + ... + 10325745.

It is an arithmetic number, because the mean of its divisors is an integer number (14399177625).

Almost surely, 2^243440020232 is an apocalyptic number.

It is an amenable number.

243440020232 is a deficient number, since it is larger than the sum of its proper divisors (217333663768).

243440020232 is a wasteful number, since it uses less digits than its factorization.

243440020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35765 (or 35761 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 243440020232 its reverse (232020044342), we get a palindrome (475460064574).

The spelling of 243440020232 in words is "two hundred forty-three billion, four hundred forty million, twenty thousand, two hundred thirty-two".