1423159 has 2 divisors, whose sum is σ = 1423160. Its totient is φ = 1423158.

The previous prime is 1423129. The next prime is 1423181. The reversal of 1423159 is 9513241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423159 - 2⁵ = 1423127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423129) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711579 + 711580.

It is an arithmetic number, because the mean of its divisors is an integer number (711580).

2^1423159 is an apocalyptic number.

1423159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423159 is an equidigital number, since it uses as much as digits as its factorization.

1423159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 1423159 is about 1192.9622793701. The cubic root of 1423159 is about 112.4823741934.

The spelling of 1423159 in words is "one million, four hundred twenty-three thousand, one hundred fifty-nine".