13043234456 has 32 divisors (see below), whose sum is σ = 29420832000. Its totient is φ = 5295748896.

The previous prime is 13043234431. The next prime is 13043234459. The reversal of 13043234456 is 65443234031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043234459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6128276 + ... + 6130403.

It is an arithmetic number, because the mean of its divisors is an integer number (919401000).

Almost surely, 2^13043234456 is an apocalyptic number.

It is an amenable number.

13043234456 is an abundant number, since it is smaller than the sum of its proper divisors (16377597544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13043234456 is a wasteful number, since it uses less digits than its factorization.

13043234456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258711 (or 12258707 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 13043234456 its reverse (65443234031), we get a palindrome (78486468487).

The spelling of 13043234456 in words is "thirteen billion, forty-three million, two hundred thirty-four thousand, four hundred fifty-six".