243220233432 has 32 divisors (see below), whose sum is σ = 663327910080. Its totient is φ = 73703100960.

The previous prime is 243220233413. The next prime is 243220233521. The reversal of 243220233432 is 234332022342.

It is a self number, because there is not a number n which added to its sum of digits gives 243220233432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460644118 + ... + 460644645.

It is an arithmetic number, because the mean of its divisors is an integer number (20728997190).

Almost surely, 2^243220233432 is an apocalyptic number.

243220233432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243220233432 is an abundant number, since it is smaller than the sum of its proper divisors (420107676648).

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

243220233432 is a wasteful number, since it uses less digits than its factorization.

243220233432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921288783 (or 921288779 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 243220233432 its reverse (234332022342), we get a palindrome (477552255774).

The spelling of 243220233432 in words is "two hundred forty-three billion, two hundred twenty million, two hundred thirty-three thousand, four hundred thirty-two".