12434013443 has 4 divisors (see below), whose sum is σ = 12437666400. Its totient is φ = 12430360488.

The previous prime is 12434013439. The next prime is 12434013451. The reversal of 12434013443 is 34431043421.

It is a happy number.

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 12434013443 - 2² = 12434013439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12434013413) 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, 1821368 + ... + 1828181.

It is an arithmetic number, because the mean of its divisors is an integer number (3109416600).

Almost surely, 2^12434013443 is an apocalyptic number.

12434013443 is a deficient number, since it is larger than the sum of its proper divisors (3652957).

12434013443 is an equidigital number, since it uses as much as digits as its factorization.

12434013443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652956.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12434013443 its reverse (34431043421), we get a palindrome (46865056864).

The spelling of 12434013443 in words is "twelve billion, four hundred thirty-four million, thirteen thousand, four hundred forty-three".