13243030443 has 10 divisors (see below), whose sum is σ = 19782798684. Its totient is φ = 8828686908.

The previous prime is 13243030421. The next prime is 13243030453. The reversal of 13243030443 is 34403034231.

13243030443 is a `hidden beast` number, since 1 + 324 + 30 + 304 + 4 + 3 = 666.

It is not a de Polignac number, because 13243030443 - 2⁸ = 13243030187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13243030453) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81747021 + ... + 81747182.

Almost surely, 2^13243030443 is an apocalyptic number.

13243030443 is a deficient number, since it is larger than the sum of its proper divisors (6539768241).

13243030443 is an equidigital number, since it uses as much as digits as its factorization.

13243030443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163494215 (or 163494206 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13243030443 its reverse (34403034231), we get a palindrome (47646064674).

The spelling of 13243030443 in words is "thirteen billion, two hundred forty-three million, thirty thousand, four hundred forty-three".