13423042 has 4 divisors (see below), whose sum is σ = 20134566. Its totient is φ = 6711520.

The previous prime is 13423019. The next prime is 13423051. The reversal of 13423042 is 24032431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13024881 + 398161 = 3609^2 + 631^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355759 + ... + 3355762.

Almost surely, 2^13423042 is an apocalyptic number.

13423042 is a deficient number, since it is larger than the sum of its proper divisors (6711524).

13423042 is an equidigital number, since it uses as much as digits as its factorization.

13423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711523.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13423042 is about 3663.7469890810. The cubic root of 13423042 is about 237.6568389717.

Adding to 13423042 its reverse (24032431), we get a palindrome (37455473).

The spelling of 13423042 in words is "thirteen million, four hundred twenty-three thousand, forty-two".