243223214140 has 12 divisors (see below), whose sum is σ = 510768749736. Its totient is φ = 97289285648.

The previous prime is 243223214137. The next prime is 243223214149. The reversal of 243223214140 is 41412322342.

243223214140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243223214099 and 243223214108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243223214149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6080580334 + ... + 6080580373.

It is an arithmetic number, because the mean of its divisors is an integer number (42564062478).

Almost surely, 2^243223214140 is an apocalyptic number.

243223214140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243223214140 is an abundant number, since it is smaller than the sum of its proper divisors (267545535596).

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

243223214140 is a wasteful number, since it uses less digits than its factorization.

243223214140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161160716 (or 12161160714 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 243223214140 its reverse (41412322342), we get a palindrome (284635536482).

The spelling of 243223214140 in words is "two hundred forty-three billion, two hundred twenty-three million, two hundred fourteen thousand, one hundred forty".