243434124231 has 16 divisors (see below), whose sum is σ = 328265491680. Its totient is φ = 160446528000.

The previous prime is 243434124203. The next prime is 243434124247. The reversal of 243434124231 is 132421434342.

It is not a de Polignac number, because 243434124231 - 2¹³ = 243434116039 is a prime.

It is a super-2 number, since 2×243434124231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243434124192 and 243434124201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243434124931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2352621 + ... + 2453913.

It is an arithmetic number, because the mean of its divisors is an integer number (20516593230).

Almost surely, 2^243434124231 is an apocalyptic number.

243434124231 is a deficient number, since it is larger than the sum of its proper divisors (84831367449).

243434124231 is a wasteful number, since it uses less digits than its factorization.

243434124231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110386.

The product of its digits is 55296, while the sum is 33.

Adding to 243434124231 its reverse (132421434342), we get a palindrome (375855558573).

The spelling of 243434124231 in words is "two hundred forty-three billion, four hundred thirty-four million, one hundred twenty-four thousand, two hundred thirty-one".