13442534423 has 4 divisors (see below), whose sum is σ = 14233271760. Its totient is φ = 12651797088.

The previous prime is 13442534407. The next prime is 13442534431. The reversal of 13442534423 is 32443524431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32443524431 = 8609 ⋅3768559.

It is a cyclic number.

It is not a de Polignac number, because 13442534423 - 2⁴ = 13442534407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442534723) 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, 395368643 + ... + 395368676.

It is an arithmetic number, because the mean of its divisors is an integer number (3558317940).

Almost surely, 2^13442534423 is an apocalyptic number.

13442534423 is a deficient number, since it is larger than the sum of its proper divisors (790737337).

13442534423 is an equidigital number, since it uses as much as digits as its factorization.

13442534423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790737336.

The product of its digits is 138240, while the sum is 35.

The spelling of 13442534423 in words is "thirteen billion, four hundred forty-two million, five hundred thirty-four thousand, four hundred twenty-three".