243012200424 has 64 divisors (see below), whose sum is σ = 695134957440. Its totient is φ = 69350618880.

The previous prime is 243012200419. The next prime is 243012200513. The reversal of 243012200424 is 424002210342.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 243012200394 and 243012200403.

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, 704587 + ... + 991194.

It is an arithmetic number, because the mean of its divisors is an integer number (10861483710).

Almost surely, 2^243012200424 is an apocalyptic number.

243012200424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243012200424 is an abundant number, since it is smaller than the sum of its proper divisors (452122757016).

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

243012200424 is a wasteful number, since it uses less digits than its factorization.

243012200424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696650 (or 1696646 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 243012200424 its reverse (424002210342), we get a palindrome (667014410766).

The spelling of 243012200424 in words is "two hundred forty-three billion, twelve million, two hundred thousand, four hundred twenty-four".