243956856122 has 8 divisors (see below), whose sum is σ = 418211753376. Its totient is φ = 104552938332.

The previous prime is 243956856043. The next prime is 243956856133. The reversal of 243956856122 is 221658659342.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8712744848 + ... + 8712744875.

It is an arithmetic number, because the mean of its divisors is an integer number (52276469172).

Almost surely, 2^243956856122 is an apocalyptic number.

243956856122 is a deficient number, since it is larger than the sum of its proper divisors (174254897254).

243956856122 is a wasteful number, since it uses less digits than its factorization.

243956856122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17425489732.

The product of its digits is 6220800, while the sum is 53.

The spelling of 243956856122 in words is "two hundred forty-three billion, nine hundred fifty-six million, eight hundred fifty-six thousand, one hundred twenty-two".