243123124120 has 32 divisors (see below), whose sum is σ = 552666492000. Its totient is φ = 96246678528.

The previous prime is 243123124091. The next prime is 243123124129. The reversal of 243123124120 is 21421321342.

243123124120 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 not an unprimeable number, because it can be changed into a prime (243123124129) by changing a digit.

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, 31326420 + ... + 31334179.

It is an arithmetic number, because the mean of its divisors is an integer number (17270827875).

Almost surely, 2^243123124120 is an apocalyptic number.

243123124120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243123124120 is an abundant number, since it is smaller than the sum of its proper divisors (309543367880).

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

243123124120 is a wasteful number, since it uses less digits than its factorization.

243123124120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62660707 (or 62660703 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 243123124120 its reverse (21421321342), we get a palindrome (264544445462).

The spelling of 243123124120 in words is "two hundred forty-three billion, one hundred twenty-three million, one hundred twenty-four thousand, one hundred twenty".