243413312143 has 8 divisors (see below), whose sum is σ = 249162566400. Its totient is φ = 237668079768.

The previous prime is 243413311991. The next prime is 243413312171. The reversal of 243413312143 is 341213314342.

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

It is a cyclic number.

It is not a de Polignac number, because 243413312143 - 2¹³ = 243413303951 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 (243413312243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882823 + ... + 1125256.

It is an arithmetic number, because the mean of its divisors is an integer number (31145320800).

Almost surely, 2^243413312143 is an apocalyptic number.

243413312143 is a deficient number, since it is larger than the sum of its proper divisors (5749254257).

243413312143 is a wasteful number, since it uses less digits than its factorization.

243413312143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010941.

The product of its digits is 20736, while the sum is 31.

Adding to 243413312143 its reverse (341213314342), we get a palindrome (584626626485).

The spelling of 243413312143 in words is "two hundred forty-three billion, four hundred thirteen million, three hundred twelve thousand, one hundred forty-three".