1443223 has 2 divisors, whose sum is σ = 1443224. Its totient is φ = 1443222.

The previous prime is 1443203. The next prime is 1443257. The reversal of 1443223 is 3223441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1443223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1443203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721611 + 721612.

It is an arithmetic number, because the mean of its divisors is an integer number (721612).

2^1443223 is an apocalyptic number.

1443223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443223 is an equidigital number, since it uses as much as digits as its factorization.

1443223 is an evil number, because the sum of its binary digits is even.

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

The square root of 1443223 is about 1201.3421660793. The cubic root of 1443223 is about 113.0085095531.

Adding to 1443223 its reverse (3223441), we get a palindrome (4666664).

The spelling of 1443223 in words is "one million, four hundred forty-three thousand, two hundred twenty-three".