243203481828 has 48 divisors (see below), whose sum is σ = 630736968960. Its totient is φ = 81040901472.

The previous prime is 243203481827. The next prime is 243203481841. The reversal of 243203481828 is 828184302342.

243203481828 is a `hidden beast` number, since 2 + 432 + 0 + 34 + 8 + 182 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (243203481823) 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, 45975 + ... + 698942.

It is an arithmetic number, because the mean of its divisors is an integer number (13140353520).

Almost surely, 2^243203481828 is an apocalyptic number.

It is an amenable number.

243203481828 is an abundant number, since it is smaller than the sum of its proper divisors (387533487132).

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

243203481828 is a wasteful number, since it uses less digits than its factorization.

243203481828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747953 (or 747945 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 243203481828 in words is "two hundred forty-three billion, two hundred three million, four hundred eighty-one thousand, eight hundred twenty-eight".