243300021234 has 8 divisors (see below), whose sum is σ = 486600042480. Its totient is φ = 81100007076.

The previous prime is 243300021199. The next prime is 243300021257. The reversal of 243300021234 is 432120003342.

It is a sphenic number, since it is the product of 3 distinct primes.

243300021234 is an admirable number.

It is a super-3 number, since 3×243300021234³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20275001764 + ... + 20275001775.

It is an arithmetic number, because the mean of its divisors is an integer number (60825005310).

Almost surely, 2^243300021234 is an apocalyptic number.

243300021234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243300021234 is a wasteful number, since it uses less digits than its factorization.

243300021234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40550003544.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 243300021234 its reverse (432120003342), we get a palindrome (675420024576).

The spelling of 243300021234 in words is "two hundred forty-three billion, three hundred million, twenty-one thousand, two hundred thirty-four".