13544345423 has 16 divisors (see below), whose sum is σ = 15547977984. Its totient is φ = 11557987200.

The previous prime is 13544345407. The next prime is 13544345447. The reversal of 13544345423 is 32454344531.

It is a cyclic number.

It is not a de Polignac number, because 13544345423 - 2⁴ = 13544345407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544341423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2096348 + ... + 2102798.

It is an arithmetic number, because the mean of its divisors is an integer number (971748624).

Almost surely, 2^13544345423 is an apocalyptic number.

13544345423 is a deficient number, since it is larger than the sum of its proper divisors (2003632561).

13544345423 is an equidigital number, since it uses as much as digits as its factorization.

13544345423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742.

The product of its digits is 345600, while the sum is 38.

Adding to 13544345423 its reverse (32454344531), we get a palindrome (45998689954).

The spelling of 13544345423 in words is "thirteen billion, five hundred forty-four million, three hundred forty-five thousand, four hundred twenty-three".