243113451343 has 12 divisors (see below), whose sum is σ = 282814490952. Its totient is φ = 208376291760.

The previous prime is 243113451263. The next prime is 243113451359. The reversal of 243113451343 is 343154311342.

It is not a de Polignac number, because 243113451343 - 2²⁵ = 243079896911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243113451299 and 243113451308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243113454343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2039088 + ... + 2155018.

It is an arithmetic number, because the mean of its divisors is an integer number (23567874246).

Almost surely, 2^243113451343 is an apocalyptic number.

243113451343 is a deficient number, since it is larger than the sum of its proper divisors (39701039609).

243113451343 is a wasteful number, since it uses less digits than its factorization.

243113451343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158742 (or 158735 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

Adding to 243113451343 its reverse (343154311342), we get a palindrome (586267762685).

The spelling of 243113451343 in words is "two hundred forty-three billion, one hundred thirteen million, four hundred fifty-one thousand, three hundred forty-three".