13728158123 has 2 divisors, whose sum is σ = 13728158124. Its totient is φ = 13728158122.

The previous prime is 13728158099. The next prime is 13728158149. The reversal of 13728158123 is 32185182731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13728158123 - 2²⁰ = 13727109547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13728155123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6864079061 + 6864079062.

It is an arithmetic number, because the mean of its divisors is an integer number (6864079062).

Almost surely, 2^13728158123 is an apocalyptic number.

13728158123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13728158123 is an equidigital number, since it uses as much as digits as its factorization.

13728158123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The spelling of 13728158123 in words is "thirteen billion, seven hundred twenty-eight million, one hundred fifty-eight thousand, one hundred twenty-three".