13066344423 has 24 divisors (see below), whose sum is σ = 20593447056. Its totient is φ = 7917436800.

The previous prime is 13066344409. The next prime is 13066344443. The reversal of 13066344423 is 32444366031.

13066344423 is a `hidden beast` number, since 1 + 306 + 6 + 344 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 13066344423 - 2⁹ = 13066343911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066344443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675243 + ... + 694323.

It is an arithmetic number, because the mean of its divisors is an integer number (858060294).

Almost surely, 2^13066344423 is an apocalyptic number.

13066344423 is a deficient number, since it is larger than the sum of its proper divisors (7527102633).

13066344423 is a wasteful number, since it uses less digits than its factorization.

13066344423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26015 (or 26012 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 13066344423 in words is "thirteen billion, sixty-six million, three hundred forty-four thousand, four hundred twenty-three".