13230134447 has 4 divisors (see below), whose sum is σ = 13311301080. Its totient is φ = 13148967816.

The previous prime is 13230134443. The next prime is 13230134459. The reversal of 13230134447 is 74443103231.

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 13230134447 - 2² = 13230134443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230134441) 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, 40583072 + ... + 40583397.

It is an arithmetic number, because the mean of its divisors is an integer number (3327825270).

Almost surely, 2^13230134447 is an apocalyptic number.

13230134447 is a deficient number, since it is larger than the sum of its proper divisors (81166633).

13230134447 is an equidigital number, since it uses as much as digits as its factorization.

13230134447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81166632.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 13230134447 its reverse (74443103231), we get a palindrome (87673237678).

The spelling of 13230134447 in words is "thirteen billion, two hundred thirty million, one hundred thirty-four thousand, four hundred forty-seven".