243343134020 has 48 divisors (see below), whose sum is σ = 599807953920. Its totient is φ = 81177012864.

The previous prime is 243343134019. The next prime is 243343134043. The reversal of 243343134020 is 20431343342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23483540 + ... + 23493899.

It is an arithmetic number, because the mean of its divisors is an integer number (12495999040).

Almost surely, 2^243343134020 is an apocalyptic number.

243343134020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243343134020 is an abundant number, since it is smaller than the sum of its proper divisors (356464819900).

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

243343134020 is a wasteful number, since it uses less digits than its factorization.

243343134020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46977492 (or 46977490 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 243343134020 its reverse (20431343342), we get a palindrome (263774477362).

The spelling of 243343134020 in words is "two hundred forty-three billion, three hundred forty-three million, one hundred thirty-four thousand, twenty".