243432244113 has 4 divisors (see below), whose sum is σ = 324576325488. Its totient is φ = 162288162740.

The previous prime is 243432244079. The next prime is 243432244171. The reversal of 243432244113 is 311442234342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243432244113 - 2¹⁴ = 243432227729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243432244813) 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, 40572040683 + ... + 40572040688.

It is an arithmetic number, because the mean of its divisors is an integer number (81144081372).

Almost surely, 2^243432244113 is an apocalyptic number.

It is an amenable number.

243432244113 is a deficient number, since it is larger than the sum of its proper divisors (81144081375).

243432244113 is an equidigital number, since it uses as much as digits as its factorization.

243432244113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81144081374.

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

Adding to 243432244113 its reverse (311442234342), we get a palindrome (554874478455).

The spelling of 243432244113 in words is "two hundred forty-three billion, four hundred thirty-two million, two hundred forty-four thousand, one hundred thirteen".