13331423 has 4 divisors (see below), whose sum is σ = 15235920. Its totient is φ = 11426928.

The previous prime is 13331411. The next prime is 13331429. The reversal of 13331423 is 32413331.

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

It is a cyclic number.

It is not a de Polignac number, because 13331423 - 2⁸ = 13331167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13331395 and 13331404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952238 + ... + 952251.

It is an arithmetic number, because the mean of its divisors is an integer number (3808980).

Almost surely, 2^13331423 is an apocalyptic number.

13331423 is a deficient number, since it is larger than the sum of its proper divisors (1904497).

13331423 is an equidigital number, since it uses as much as digits as its factorization.

13331423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904496.

The product of its digits is 648, while the sum is 20.

The square root of 13331423 is about 3651.2221241661. Note that the first 3 decimals coincide. The cubic root of 13331423 is about 237.1148950054.

Adding to 13331423 its reverse (32413331), we get a palindrome (45744754).

The spelling of 13331423 in words is "thirteen million, three hundred thirty-one thousand, four hundred twenty-three".