243230020242 has 32 divisors (see below), whose sum is σ = 530842152960. Its totient is φ = 73684056720.

The previous prime is 243230020177. The next prime is 243230020283. The reversal of 243230020242 is 242020032342.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326878 + ... + 770265.

It is an arithmetic number, because the mean of its divisors is an integer number (16588817280).

Almost surely, 2^243230020242 is an apocalyptic number.

243230020242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243230020242 is an abundant number, since it is smaller than the sum of its proper divisors (287612132718).

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

243230020242 is a wasteful number, since it uses less digits than its factorization.

243230020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100518.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 243230020242 its reverse (242020032342), we get a palindrome (485250052584).

It can be divided in two parts, 2432300 and 20242, that added together give a palindrome (2452542).

The spelling of 243230020242 in words is "two hundred forty-three billion, two hundred thirty million, twenty thousand, two hundred forty-two".