1423589 has 2 divisors, whose sum is σ = 1423590. Its totient is φ = 1423588.

The previous prime is 1423579. The next prime is 1423603. The reversal of 1423589 is 9853241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1276900 + 146689 = 1130^2 + 383^2 .

It is an emirp because it is prime and its reverse (9853241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423589 - 2⁸ = 1423333 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711794 + 711795.

It is an arithmetic number, because the mean of its divisors is an integer number (711795).

2^1423589 is an apocalyptic number.

It is an amenable number.

1423589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423589 is an equidigital number, since it uses as much as digits as its factorization.

1423589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 1423589 is about 1193.1424893951. The cubic root of 1423589 is about 112.4937017050.

The spelling of 1423589 in words is "one million, four hundred twenty-three thousand, five hundred eighty-nine".