243724134076 has 24 divisors (see below), whose sum is σ = 448983626000. Its totient is φ = 115443615744.

The previous prime is 243724134053. The next prime is 243724134089. The reversal of 243724134076 is 670431427342.

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, 2491090 + ... + 2587078.

Almost surely, 2^243724134076 is an apocalyptic number.

It is an amenable number.

243724134076 is a deficient number, since it is larger than the sum of its proper divisors (205259491924).

243724134076 is a wasteful number, since it uses less digits than its factorization.

243724134076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129421 (or 129419 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 243724134076 in words is "two hundred forty-three billion, seven hundred twenty-four million, one hundred thirty-four thousand, seventy-six".