243242636236 has 12 divisors (see below), whose sum is σ = 432027966328. Its totient is φ = 119806074432.

The previous prime is 243242636177. The next prime is 243242636237. The reversal of 243242636236 is 632636242342.

It is a junction number, because it is equal to n+sod(n) for n = 243242636192 and 243242636201.

It is not an unprimeable number, because it can be changed into a prime (243242636237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453810621 + ... + 453811156.

Almost surely, 2^243242636236 is an apocalyptic number.

It is an amenable number.

243242636236 is a deficient number, since it is larger than the sum of its proper divisors (188785330092).

243242636236 is a wasteful number, since it uses less digits than its factorization.

243242636236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907621848 (or 907621846 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 43.

Adding to 243242636236 its reverse (632636242342), we get a palindrome (875878878578).

The spelling of 243242636236 in words is "two hundred forty-three billion, two hundred forty-two million, six hundred thirty-six thousand, two hundred thirty-six".