13243142334434 has 16 divisors (see below), whose sum is σ = 20935632108480. Its totient is φ = 6265445210640.

The previous prime is 13243142334419. The next prime is 13243142334437. The reversal of 13243142334434 is 43443324134231.

13243142334434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13243142334391 and 13243142334400.

It is not an unprimeable number, because it can be changed into a prime (13243142334437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211696397 + ... + 211758944.

It is an arithmetic number, because the mean of its divisors is an integer number (1308477006780).

Almost surely, 2^{13243142334434} is an apocalyptic number.

13243142334434 is a deficient number, since it is larger than the sum of its proper divisors (7692489774046).

13243142334434 is a wasteful number, since it uses less digits than its factorization.

13243142334434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423456185.

The product of its digits is 995328, while the sum is 41.

Adding to 13243142334434 its reverse (43443324134231), we get a palindrome (56686466468665).

The spelling of 13243142334434 in words is "thirteen trillion, two hundred forty-three billion, one hundred forty-two million, three hundred thirty-four thousand, four hundred thirty-four".