1423339 has 2 divisors, whose sum is σ = 1423340. Its totient is φ = 1423338.

The previous prime is 1423333. The next prime is 1423361. The reversal of 1423339 is 9333241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9333241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423339 - 2⁵ = 1423307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711669 + 711670.

It is an arithmetic number, because the mean of its divisors is an integer number (711670).

2^1423339 is an apocalyptic number.

1423339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423339 is an equidigital number, since it uses as much as digits as its factorization.

1423339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

The square root of 1423339 is about 1193.0377194372. The cubic root of 1423339 is about 112.4871162200.

It can be divided in two parts, 142 and 3339, that added together give a square (3481 = 59²).

The spelling of 1423339 in words is "one million, four hundred twenty-three thousand, three hundred thirty-nine".