243120523321130 has 128 divisors (see below), whose sum is σ = 540397269619200. Its totient is φ = 76687731154944.

The previous prime is 243120523321087. The next prime is 243120523321139. The reversal of 243120523321130 is 31123325021342.

It is not an unprimeable number, because it can be changed into a prime (243120523321139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2338117481 + ... + 2338221459.

It is an arithmetic number, because the mean of its divisors is an integer number (4221853668900).

Almost surely, 2^{243120523321130} is an apocalyptic number.

243120523321130 is an abundant number, since it is smaller than the sum of its proper divisors (297276746298070).

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

243120523321130 is a wasteful number, since it uses less digits than its factorization.

243120523321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112528.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 243120523321130 its reverse (31123325021342), we get a palindrome (274243848342472).

The spelling of 243120523321130 in words is "two hundred forty-three trillion, one hundred twenty billion, five hundred twenty-three million, three hundred twenty-one thousand, one hundred thirty".