13044533423 has 4 divisors (see below), whose sum is σ = 13044892320. Its totient is φ = 13044174528.

The previous prime is 13044533417. The next prime is 13044533441. The reversal of 13044533423 is 32433544031.

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 13044533423 - 2⁴ = 13044533407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13044533423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044536423) 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, 117890 + ... + 199967.

It is an arithmetic number, because the mean of its divisors is an integer number (3261223080).

Almost surely, 2^13044533423 is an apocalyptic number.

13044533423 is a deficient number, since it is larger than the sum of its proper divisors (358897).

13044533423 is an equidigital number, since it uses as much as digits as its factorization.

13044533423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358896.

The product of its (nonzero) digits is 51840, while the sum is 32.

The spelling of 13044533423 in words is "thirteen billion, forty-four million, five hundred thirty-three thousand, four hundred twenty-three".