243143120100 has 72 divisors (see below), whose sum is σ = 708629207328. Its totient is φ = 64364883200.

The previous prime is 243143120089. The next prime is 243143120107. The reversal of 243143120100 is 1021341342.

243143120100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243143120107) 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 23 ways as a sum of consecutive naturals, for example, 2916846 + ... + 2999045.

It is an arithmetic number, because the mean of its divisors is an integer number (9842072324).

Almost surely, 2^243143120100 is an apocalyptic number.

243143120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243143120100 is an abundant number, since it is smaller than the sum of its proper divisors (465486087228).

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

243143120100 is a wasteful number, since it uses less digits than its factorization.

243143120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916045 (or 5916038 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 243143120100 its reverse (1021341342), we get a palindrome (244164461442).

The spelling of 243143120100 in words is "two hundred forty-three billion, one hundred forty-three million, one hundred twenty thousand, one hundred".