243230132520000 has 210 divisors, whose sum is σ = 871190204082198. Its totient is φ = 64861368576000.

The previous prime is 243230132519951. The next prime is 243230132520013. The reversal of 243230132520000 is 25231032342.

243230132520000 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 3 + 0 + 132 + 520 + 0 + 0 + 0 = 666.

243230132520000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 58738980626496 + 184491151893504 = 7664136^2 + 13582752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 337459629 + ... + 338179628.

Almost surely, 2^{243230132520000} is an apocalyptic number.

243230132520000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243230132520000 is an abundant number, since it is smaller than the sum of its proper divisors (627960071562198).

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

243230132520000 is an equidigital number, since it uses as much as digits as its factorization.

243230132520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675639295 (or 675639267 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 243230132520000 its reverse (25231032342), we get a palindrome (243255363552342).

The spelling of 243230132520000 in words is "two hundred forty-three trillion, two hundred thirty billion, one hundred thirty-two million, five hundred twenty thousand".