243121235324 has 24 divisors (see below), whose sum is σ = 464153692800. Its totient is φ = 110506520880.

The previous prime is 243121235311. The next prime is 243121235353. The reversal of 243121235324 is 423532121342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312207 + ... + 2415065.

It is an arithmetic number, because the mean of its divisors is an integer number (19339737200).

Almost surely, 2^243121235324 is an apocalyptic number.

It is an amenable number.

243121235324 is a deficient number, since it is larger than the sum of its proper divisors (221032457476).

243121235324 is a wasteful number, since it uses less digits than its factorization.

243121235324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156593 (or 156591 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

Adding to 243121235324 its reverse (423532121342), we get a palindrome (666653356666).

The spelling of 243121235324 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred thirty-five thousand, three hundred twenty-four".