243430403143 has 8 divisors (see below), whose sum is σ = 258399089712. Its totient is φ = 228533855616.

The previous prime is 243430403081. The next prime is 243430403171. The reversal of 243430403143 is 341304034342.

243430403143 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243430403143 is a prime.

It is a super-2 number, since 2×243430403143² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243430403173) 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, 18027805 + ... + 18041302.

It is an arithmetic number, because the mean of its divisors is an integer number (32299886214).

Almost surely, 2^243430403143 is an apocalyptic number.

243430403143 is a deficient number, since it is larger than the sum of its proper divisors (14968686569).

243430403143 is a wasteful number, since it uses less digits than its factorization.

243430403143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36069521.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 243430403143 its reverse (341304034342), we get a palindrome (584734437485).

The spelling of 243430403143 in words is "two hundred forty-three billion, four hundred thirty million, four hundred three thousand, one hundred forty-three".