243140123104 has 24 divisors (see below), whose sum is σ = 495188399160. Its totient is φ = 117377990016.

The previous prime is 243140123101. The next prime is 243140123113. The reversal of 243140123104 is 401321041342.

243140123104 is digitally balanced in base 2, because in such base 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 (243140123101) 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 3 ways as a sum of consecutive naturals, for example, 131001294 + ... + 131003149.

It is an arithmetic number, because the mean of its divisors is an integer number (20632849965).

Almost surely, 2^243140123104 is an apocalyptic number.

It is an amenable number.

243140123104 is an abundant number, since it is smaller than the sum of its proper divisors (252048276056).

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

243140123104 is a wasteful number, since it uses less digits than its factorization.

243140123104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262004482 (or 262004474 counting only the distinct ones).

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

Adding to 243140123104 its reverse (401321041342), we get a palindrome (644461164446).

The spelling of 243140123104 in words is "two hundred forty-three billion, one hundred forty million, one hundred twenty-three thousand, one hundred four".