243320402424 has 32 divisors (see below), whose sum is σ = 663601098240. Its totient is φ = 73733455200.

The previous prime is 243320402389. The next prime is 243320402447. The reversal of 243320402424 is 424204023342.

243320402424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243320402391 and 243320402400.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 460833832 + ... + 460834359.

It is an arithmetic number, because the mean of its divisors is an integer number (20737534320).

Almost surely, 2^243320402424 is an apocalyptic number.

243320402424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243320402424 is an abundant number, since it is smaller than the sum of its proper divisors (420280695816).

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

243320402424 is a wasteful number, since it uses less digits than its factorization.

243320402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921668211 (or 921668207 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 243320402424 its reverse (424204023342), we get a palindrome (667524425766).

The spelling of 243320402424 in words is "two hundred forty-three billion, three hundred twenty million, four hundred two thousand, four hundred twenty-four".