243121245324 has 24 divisors (see below), whose sum is σ = 577986358320. Its totient is φ = 79511350464.

The previous prime is 243121245287. The next prime is 243121245331. The reversal of 243121245324 is 423542121342.

It is a happy number.

243121245324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 191132419 + ... + 191133690.

It is an arithmetic number, because the mean of its divisors is an integer number (24082764930).

Almost surely, 2^243121245324 is an apocalyptic number.

It is an amenable number.

243121245324 is an abundant number, since it is smaller than the sum of its proper divisors (334865112996).

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

243121245324 is a wasteful number, since it uses less digits than its factorization.

243121245324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382266169 (or 382266167 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 243121245324 its reverse (423542121342), we get a palindrome (666663366666).

The spelling of 243121245324 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred forty-five thousand, three hundred twenty-four".