243120443120 has 40 divisors (see below), whose sum is σ = 566026319616. Its totient is φ = 97115482368.

The previous prime is 243120443101. The next prime is 243120443123. The reversal of 243120443120 is 21344021342.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 243120443120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243120443123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014352 + ... + 2131631.

Almost surely, 2^243120443120 is an apocalyptic number.

243120443120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243120443120 is an abundant number, since it is smaller than the sum of its proper divisors (322905876496).

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

243120443120 is a wasteful number, since it uses less digits than its factorization.

243120443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146729 (or 4146723 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 243120443120 its reverse (21344021342), we get a palindrome (264464464462).

The spelling of 243120443120 in words is "two hundred forty-three billion, one hundred twenty million, four hundred forty-three thousand, one hundred twenty".