243342202340 has 12 divisors (see below), whose sum is σ = 511018624956. Its totient is φ = 97336880928.

The previous prime is 243342202339. The next prime is 243342202357. The reversal of 243342202340 is 43202243342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89878840804 + 153463361536 = 299798^2 + 391744^2 .

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, 6083555039 + ... + 6083555078.

It is an arithmetic number, because the mean of its divisors is an integer number (42584885413).

Almost surely, 2^243342202340 is an apocalyptic number.

243342202340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243342202340 is an abundant number, since it is smaller than the sum of its proper divisors (267676422616).

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

243342202340 is a wasteful number, since it uses less digits than its factorization.

243342202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12167110126 (or 12167110124 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 243342202340 its reverse (43202243342), we get a palindrome (286544445682).

The spelling of 243342202340 in words is "two hundred forty-three billion, three hundred forty-two million, two hundred two thousand, three hundred forty".