1447223 has 2 divisors, whose sum is σ = 1447224. Its totient is φ = 1447222.

The previous prime is 1447219. The next prime is 1447231. The reversal of 1447223 is 3227441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1447223 - 2² = 1447219 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447213) 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 as a sum of consecutive naturals, namely, 723611 + 723612.

It is an arithmetic number, because the mean of its divisors is an integer number (723612).

2^1447223 is an apocalyptic number.

1447223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447223 is an equidigital number, since it uses as much as digits as its factorization.

1447223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 23.

The square root of 1447223 is about 1203.0058187723. The cubic root of 1447223 is about 113.1128170798.

The spelling of 1447223 in words is "one million, four hundred forty-seven thousand, two hundred twenty-three".