243136326226 has 16 divisors (see below), whose sum is σ = 368831232000. Its totient is φ = 120192796768.

The previous prime is 243136326119. The next prime is 243136326227. The reversal of 243136326226 is 622623631342.

It is not an unprimeable number, because it can be changed into a prime (243136326227) 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, 2585175 + ... + 2677573.

It is an arithmetic number, because the mean of its divisors is an integer number (23051952000).

Almost surely, 2^243136326226 is an apocalyptic number.

243136326226 is a deficient number, since it is larger than the sum of its proper divisors (125694905774).

243136326226 is a wasteful number, since it uses less digits than its factorization.

243136326226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107273.

The product of its digits is 373248, while the sum is 40.

Adding to 243136326226 its reverse (622623631342), we get a palindrome (865759957568).

The spelling of 243136326226 in words is "two hundred forty-three billion, one hundred thirty-six million, three hundred twenty-six thousand, two hundred twenty-six".