13550123 has 2 divisors, whose sum is σ = 13550124. Its totient is φ = 13550122.

The previous prime is 13550111. The next prime is 13550129. The reversal of 13550123 is 32105531.

13550123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (32105531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13550123 - 2⁴ = 13550107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13550095 and 13550104.

It is not a weakly prime, because it can be changed into another prime (13550129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775061 + 6775062.

It is an arithmetic number, because the mean of its divisors is an integer number (6775062).

Almost surely, 2^13550123 is an apocalyptic number.

13550123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13550123 is an equidigital number, since it uses as much as digits as its factorization.

13550123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 13550123 is about 3681.0491710924. The cubic root of 13550123 is about 238.4044801476.

Adding to 13550123 its reverse (32105531), we get a palindrome (45655654).

The spelling of 13550123 in words is "thirteen million, five hundred fifty thousand, one hundred twenty-three".