243213471563020 has 36 divisors (see below), whose sum is σ = 594135766249200. Its totient is φ = 83387475964128.

The previous prime is 243213471563009. The next prime is 243213471563057. The reversal of 243213471563020 is 20365174312342.

It is a super-3 number, since 3×243213471563020³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124088504920 + ... + 124088506879.

It is an arithmetic number, because the mean of its divisors is an integer number (16503771284700).

Almost surely, 2^{243213471563020} is an apocalyptic number.

243213471563020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243213471563020 is an abundant number, since it is smaller than the sum of its proper divisors (350922294686180).

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

243213471563020 is a wasteful number, since it uses less digits than its factorization.

243213471563020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248177011822 (or 248177011813 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 243213471563020 in words is "two hundred forty-three trillion, two hundred thirteen billion, four hundred seventy-one million, five hundred sixty-three thousand, twenty".