243243124050 has 48 divisors (see below), whose sum is σ = 603359141472. Its totient is φ = 64852339200.

The previous prime is 243243124021. The next prime is 243243124127. The reversal of 243243124050 is 50421342342.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 243243123999 and 243243124017.

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 23 ways as a sum of consecutive naturals, for example, 638617 + ... + 945683.

It is an arithmetic number, because the mean of its divisors is an integer number (12569982114).

Almost surely, 2^243243124050 is an apocalyptic number.

243243124050 is an abundant number, since it is smaller than the sum of its proper divisors (360116017422).

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

243243124050 is a wasteful number, since it uses less digits than its factorization.

243243124050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312363 (or 312358 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 243243124050 its reverse (50421342342), we get a palindrome (293664466392).

The spelling of 243243124050 in words is "two hundred forty-three billion, two hundred forty-three million, one hundred twenty-four thousand, fifty".