243112465256 has 16 divisors (see below), whose sum is σ = 457727311140. Its totient is φ = 121051848960.

The previous prime is 243112465249. The next prime is 243112465279. The reversal of 243112465256 is 652564211342.

It can be written as a sum of positive squares in 2 ways, for example, as 229431420100 + 13681045156 = 478990^2 + 116966^2 .

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, 63045911 + ... + 63049766.

Almost surely, 2^243112465256 is an apocalyptic number.

It is an amenable number.

243112465256 is a deficient number, since it is larger than the sum of its proper divisors (214614845884).

243112465256 is a wasteful number, since it uses less digits than its factorization.

243112465256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126095924 (or 126095920 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

Adding to 243112465256 its reverse (652564211342), we get a palindrome (895676676598).

The spelling of 243112465256 in words is "two hundred forty-three billion, one hundred twelve million, four hundred sixty-five thousand, two hundred fifty-six".