13938323 has 4 divisors (see below), whose sum is σ = 15929520. Its totient is φ = 11947128.

The previous prime is 13938289. The next prime is 13938329. The reversal of 13938323 is 32383931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32383931 = 23 ⋅1407997.

It is a cyclic number.

It is not a de Polignac number, because 13938323 - 2¹² = 13934227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13938323.

It is not an unprimeable number, because it can be changed into a prime (13938329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995588 + ... + 995601.

It is an arithmetic number, because the mean of its divisors is an integer number (3982380).

Almost surely, 2^13938323 is an apocalyptic number.

13938323 is a deficient number, since it is larger than the sum of its proper divisors (1991197).

13938323 is an equidigital number, since it uses as much as digits as its factorization.

13938323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991196.

The product of its digits is 11664, while the sum is 32.

The square root of 13938323 is about 3733.4063534526. The cubic root of 13938323 is about 240.6597760049.

The spelling of 13938323 in words is "thirteen million, nine hundred thirty-eight thousand, three hundred twenty-three".