13947568123 has 2 divisors, whose sum is σ = 13947568124. Its totient is φ = 13947568122.

The previous prime is 13947568109. The next prime is 13947568133. The reversal of 13947568123 is 32186574931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13947568123 - 2¹³ = 13947559931 is a prime.

It is not a weakly prime, because it can be changed into another prime (13947568133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6973784061 + 6973784062.

It is an arithmetic number, because the mean of its divisors is an integer number (6973784062).

Almost surely, 2^13947568123 is an apocalyptic number.

13947568123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13947568123 is an equidigital number, since it uses as much as digits as its factorization.

13947568123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The spelling of 13947568123 in words is "thirteen billion, nine hundred forty-seven million, five hundred sixty-eight thousand, one hundred twenty-three".