13424123 has 2 divisors, whose sum is σ = 13424124. Its totient is φ = 13424122.

The previous prime is 13424119. The next prime is 13424141. The reversal of 13424123 is 32142431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13424123 - 2² = 13424119 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13424095 and 13424104.

It is not a weakly prime, because it can be changed into another prime (13424143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712061 + 6712062.

It is an arithmetic number, because the mean of its divisors is an integer number (6712062).

Almost surely, 2^13424123 is an apocalyptic number.

13424123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424123 is an equidigital number, since it uses as much as digits as its factorization.

13424123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 13424123 is about 3663.8945126736. The cubic root of 13424123 is about 237.6632185526.

Adding to 13424123 its reverse (32142431), we get a palindrome (45566554).

The spelling of 13424123 in words is "thirteen million, four hundred twenty-four thousand, one hundred twenty-three".