13634123 has 2 divisors, whose sum is σ = 13634124. Its totient is φ = 13634122.

The previous prime is 13634111. The next prime is 13634129. The reversal of 13634123 is 32143631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13634123 is a prime.

It is not a weakly prime, because it can be changed into another prime (13634129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6817061 + 6817062.

It is an arithmetic number, because the mean of its divisors is an integer number (6817062).

Almost surely, 2^13634123 is an apocalyptic number.

13634123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13634123 is an equidigital number, since it uses as much as digits as its factorization.

13634123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 13634123 is about 3692.4413333186. The cubic root of 13634123 is about 238.8961051202.

Adding to 13634123 its reverse (32143631), we get a palindrome (45777754).

The spelling of 13634123 in words is "thirteen million, six hundred thirty-four thousand, one hundred twenty-three".