243343204120 has 32 divisors (see below), whose sum is σ = 547732303200. Its totient is φ = 97299931648.

The previous prime is 243343204051. The next prime is 243343204157. The reversal of 243343204120 is 21402343342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061524 + ... + 1270243.

It is an arithmetic number, because the mean of its divisors is an integer number (17116634475).

Almost surely, 2^243343204120 is an apocalyptic number.

243343204120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243343204120 is an abundant number, since it is smaller than the sum of its proper divisors (304389099080).

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

243343204120 is a wasteful number, since it uses less digits than its factorization.

243343204120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334387 (or 2334383 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243343204120 its reverse (21402343342), we get a palindrome (264745547462).

The spelling of 243343204120 in words is "two hundred forty-three billion, three hundred forty-three million, two hundred four thousand, one hundred twenty".