1443423 has 4 divisors (see below), whose sum is σ = 1924568. Its totient is φ = 962280.

The previous prime is 1443401. The next prime is 1443427. The reversal of 1443423 is 3243441.

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

It is not a de Polignac number, because 1443423 - 2⁹ = 1442911 is a prime.

It is a D-number.

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 1443423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443427) 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 3 ways as a sum of consecutive naturals, for example, 240568 + ... + 240573.

It is an arithmetic number, because the mean of its divisors is an integer number (481142).

2^1443423 is an apocalyptic number.

1443423 is a deficient number, since it is larger than the sum of its proper divisors (481145).

1443423 is an equidigital number, since it uses as much as digits as its factorization.

1443423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481144.

The product of its digits is 1152, while the sum is 21.

The square root of 1443423 is about 1201.4254034271. The cubic root of 1443423 is about 113.0137295036.

Adding to 1443423 its reverse (3243441), we get a palindrome (4686864).

The spelling of 1443423 in words is "one million, four hundred forty-three thousand, four hundred twenty-three".