13618123 has 2 divisors, whose sum is σ = 13618124. Its totient is φ = 13618122.

The previous prime is 13618091. The next prime is 13618147. The reversal of 13618123 is 32181631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13618123 - 2⁵ = 13618091 is a prime.

It is not a weakly prime, because it can be changed into another prime (13618523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6809061 + 6809062.

It is an arithmetic number, because the mean of its divisors is an integer number (6809062).

Almost surely, 2^13618123 is an apocalyptic number.

13618123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13618123 is an equidigital number, since it uses as much as digits as its factorization.

13618123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 13618123 is about 3690.2741090602. The cubic root of 13618123 is about 238.8026182647.

Adding to 13618123 its reverse (32181631), we get a palindrome (45799754).

The spelling of 13618123 in words is "thirteen million, six hundred eighteen thousand, one hundred twenty-three".