243233126356256 has 12 divisors (see below), whose sum is σ = 478865217513942. Its totient is φ = 121616563178112.

The previous prime is 243233126356247. The next prime is 243233126356273. The reversal of 243233126356256 is 652653621332342.

It can be written as a sum of positive squares in only one way, i.e., 228805435731856 + 14427690624400 = 15126316^2 + 3798380^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243233126356198 and 243233126356207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3800517599285 + ... + 3800517599348.

Almost surely, 2^{243233126356256} is an apocalyptic number.

It is an amenable number.

243233126356256 is a deficient number, since it is larger than the sum of its proper divisors (235632091157686).

243233126356256 is an equidigital number, since it uses as much as digits as its factorization.

243233126356256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601035198643 (or 7601035198635 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 53.

Adding to 243233126356256 its reverse (652653621332342), we get a palindrome (895886747688598).

The spelling of 243233126356256 in words is "two hundred forty-three trillion, two hundred thirty-three billion, one hundred twenty-six million, three hundred fifty-six thousand, two hundred fifty-six".