243424124021 has 8 divisors (see below), whose sum is σ = 262608169824. Its totient is φ = 224305665840.

The previous prime is 243424124011. The next prime is 243424124029. The reversal of 243424124021 is 120421424342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243424124021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243424124029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16389191 + ... + 16404036.

It is an arithmetic number, because the mean of its divisors is an integer number (32826021228).

Almost surely, 2^243424124021 is an apocalyptic number.

It is an amenable number.

243424124021 is a deficient number, since it is larger than the sum of its proper divisors (19184045803).

243424124021 is a wasteful number, since it uses less digits than its factorization.

243424124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32793811.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 243424124021 its reverse (120421424342), we get a palindrome (363845548363).

The spelling of 243424124021 in words is "two hundred forty-three billion, four hundred twenty-four million, one hundred twenty-four thousand, twenty-one".