243775256232 has 64 divisors (see below), whose sum is σ = 638787502080. Its totient is φ = 77376860352.

The previous prime is 243775256159. The next prime is 243775256239. The reversal of 243775256232 is 232652577342.

It is not an unprimeable number, because it can be changed into a prime (243775256239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867088 + ... + 1113279.

It is an arithmetic number, because the mean of its divisors is an integer number (9981054720).

Almost surely, 2^243775256232 is an apocalyptic number.

It is an amenable number.

243775256232 is an abundant number, since it is smaller than the sum of its proper divisors (395012245848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243775256232 is a wasteful number, since it uses less digits than its factorization.

243775256232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980622 (or 1980618 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 48.

The spelling of 243775256232 in words is "two hundred forty-three billion, seven hundred seventy-five million, two hundred fifty-six thousand, two hundred thirty-two".