243232512763340 has 48 divisors (see below), whose sum is σ = 528133960187904. Its totient is φ = 93999406392000.

The previous prime is 243232512763313. The next prime is 243232512763417. The reversal of 243232512763340 is 43367215232342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322778936 + ... + 323531615.

It is an arithmetic number, because the mean of its divisors is an integer number (11002790837248).

Almost surely, 2^{243232512763340} is an apocalyptic number.

243232512763340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243232512763340 is an abundant number, since it is smaller than the sum of its proper divisors (284901447424564).

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

243232512763340 is a wasteful number, since it uses less digits than its factorization.

243232512763340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646311198 (or 646311196 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 47.

Adding to 243232512763340 its reverse (43367215232342), we get a palindrome (286599727995682).

The spelling of 243232512763340 in words is "two hundred forty-three trillion, two hundred thirty-two billion, five hundred twelve million, seven hundred sixty-three thousand, three hundred forty".