243423030311 has 4 divisors (see below), whose sum is σ = 257742032112. Its totient is φ = 229104028512.

The previous prime is 243423030281. The next prime is 243423030343. The reversal of 243423030311 is 113030324342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243423030311 - 2¹⁴ = 243423013927 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 (243423030211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7159500875 + ... + 7159500908.

It is an arithmetic number, because the mean of its divisors is an integer number (64435508028).

Almost surely, 2^243423030311 is an apocalyptic number.

243423030311 is a deficient number, since it is larger than the sum of its proper divisors (14319001801).

243423030311 is a wasteful number, since it uses less digits than its factorization.

243423030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14319001800.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 243423030311 its reverse (113030324342), we get a palindrome (356453354653).

The spelling of 243423030311 in words is "two hundred forty-three billion, four hundred twenty-three million, thirty thousand, three hundred eleven".