243143434101 has 16 divisors (see below), whose sum is σ = 335202090048. Its totient is φ = 156664099200.

The previous prime is 243143434091. The next prime is 243143434129. The reversal of 243143434101 is 101434341342.

It is not a de Polignac number, because 243143434101 - 2²³ = 243135045493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243143434141) by changing a digit.

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, 9224110 + ... + 9250431.

It is an arithmetic number, because the mean of its divisors is an integer number (20950130628).

Almost surely, 2^243143434101 is an apocalyptic number.

It is an amenable number.

243143434101 is a deficient number, since it is larger than the sum of its proper divisors (92058655947).

243143434101 is a wasteful number, since it uses less digits than its factorization.

243143434101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474692.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 243143434101 its reverse (101434341342), we get a palindrome (344577775443).

The spelling of 243143434101 in words is "two hundred forty-three billion, one hundred forty-three million, four hundred thirty-four thousand, one hundred one".