13868144623 has 2 divisors, whose sum is σ = 13868144624. Its totient is φ = 13868144622.

The previous prime is 13868144599. The next prime is 13868144683. The reversal of 13868144623 is 32644186831.

It is a weak prime.

It is an emirp because it is prime and its reverse (32644186831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13868144623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13868144683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934072311 + 6934072312.

It is an arithmetic number, because the mean of its divisors is an integer number (6934072312).

Almost surely, 2^13868144623 is an apocalyptic number.

13868144623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13868144623 is an equidigital number, since it uses as much as digits as its factorization.

13868144623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 46.

The spelling of 13868144623 in words is "thirteen billion, eight hundred sixty-eight million, one hundred forty-four thousand, six hundred twenty-three".