243201423144 has 64 divisors (see below), whose sum is σ = 609307862400. Its totient is φ = 80893403136.

The previous prime is 243201423131. The next prime is 243201423161. The reversal of 243201423144 is 441324102342.

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 15 ways as a sum of consecutive naturals, for example, 30248677 + ... + 30256715.

It is an arithmetic number, because the mean of its divisors is an integer number (9520435350).

Almost surely, 2^243201423144 is an apocalyptic number.

243201423144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243201423144 is an abundant number, since it is smaller than the sum of its proper divisors (366106439256).

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

243201423144 is a wasteful number, since it uses less digits than its factorization.

243201423144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594 (or 10590 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 243201423144 its reverse (441324102342), we get a palindrome (684525525486).

The spelling of 243201423144 in words is "two hundred forty-three billion, two hundred one million, four hundred twenty-three thousand, one hundred forty-four".