243215003143 has 8 divisors (see below), whose sum is σ = 277962986880. Its totient is φ = 208467765240.

The previous prime is 243215003123. The next prime is 243215003149. The reversal of 243215003143 is 341300512342.

It is a happy number.

243215003143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 243215003143 - 2⁹ = 243215002631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243215003149) 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 7 ways as a sum of consecutive naturals, for example, 1178028 + ... + 1369006.

It is an arithmetic number, because the mean of its divisors is an integer number (34745373360).

Almost surely, 2^243215003143 is an apocalyptic number.

243215003143 is a deficient number, since it is larger than the sum of its proper divisors (34747983737).

243215003143 is a wasteful number, since it uses less digits than its factorization.

243215003143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372917.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 243215003143 its reverse (341300512342), we get a palindrome (584515515485).

The spelling of 243215003143 in words is "two hundred forty-three billion, two hundred fifteen million, three thousand, one hundred forty-three".