13758678423 has 36 divisors (see below), whose sum is σ = 23523034288. Its totient is φ = 7590965760.

The previous prime is 13758678421. The next prime is 13758678467. The reversal of 13758678423 is 32487685731.

It is a happy number.

13758678423 is a `hidden beast` number, since 1 + 3 + 75 + 86 + 78 + 423 = 666.

It is not a de Polignac number, because 13758678423 - 2¹ = 13758678421 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 13758678423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13758678421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76858 + ... + 182823.

Almost surely, 2^13758678423 is an apocalyptic number.

13758678423 is a deficient number, since it is larger than the sum of its proper divisors (9764355865).

13758678423 is a wasteful number, since it uses less digits than its factorization.

13758678423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259752 (or 259720 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 13758678423 in words is "thirteen billion, seven hundred fifty-eight million, six hundred seventy-eight thousand, four hundred twenty-three".