13243423 has 8 divisors (see below), whose sum is σ = 13958496. Its totient is φ = 12540000.

The previous prime is 13243409. The next prime is 13243429. The reversal of 13243423 is 32434231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13243423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13243394 and 13243403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243429) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 528 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (1744812).

Almost surely, 2^13243423 is an apocalyptic number.

13243423 is a deficient number, since it is larger than the sum of its proper divisors (715073).

13243423 is a wasteful number, since it uses less digits than its factorization.

13243423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825.

The product of its digits is 1728, while the sum is 22.

The square root of 13243423 is about 3639.1514120740. The cubic root of 13243423 is about 236.5920152924.

Adding to 13243423 its reverse (32434231), we get a palindrome (45677654).

The spelling of 13243423 in words is "thirteen million, two hundred forty-three thousand, four hundred twenty-three".