243434141340 has 48 divisors (see below), whose sum is σ = 734047567008. Its totient is φ = 59922249984.

The previous prime is 243434141299. The next prime is 243434141359. The reversal of 243434141340 is 43141434342.

It is a congruent 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, 156046747 + ... + 156048306.

It is an arithmetic number, because the mean of its divisors is an integer number (15292657646).

Almost surely, 2^243434141340 is an apocalyptic number.

243434141340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243434141340 is an abundant number, since it is smaller than the sum of its proper divisors (490613425668).

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

243434141340 is a wasteful number, since it uses less digits than its factorization.

243434141340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312095078 (or 312095076 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 243434141340 its reverse (43141434342), we get a palindrome (286575575682).

The spelling of 243434141340 in words is "two hundred forty-three billion, four hundred thirty-four million, one hundred forty-one thousand, three hundred forty".