242656656243 has 8 divisors (see below), whose sum is σ = 323751898368. Its totient is φ = 161666259144.

The previous prime is 242656656239. The next prime is 242656656283. The reversal of 242656656243 is 342656656242.

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

It is not a de Polignac number, because 242656656243 - 2² = 242656656239 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (242656656283) 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, 26205855 + ... + 26215112.

It is an arithmetic number, because the mean of its divisors is an integer number (40468987296).

Almost surely, 2^242656656243 is an apocalyptic number.

242656656243 is a deficient number, since it is larger than the sum of its proper divisors (81095242125).

242656656243 is a wasteful number, since it uses less digits than its factorization.

242656656243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52422513.

The product of its digits is 12441600, while the sum is 51.

Subtracting 242656656243 from its reverse (342656656242), we obtain a palindrome (99999999999).

The spelling of 242656656243 in words is "two hundred forty-two billion, six hundred fifty-six million, six hundred fifty-six thousand, two hundred forty-three".