1423143 has 8 divisors (see below), whose sum is σ = 2108400. Its totient is φ = 948744.

The previous prime is 1423129. The next prime is 1423159. The reversal of 1423143 is 3413241.

It is not a de Polignac number, because 1423143 - 2⁴ = 1423127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26328 + ... + 26381.

It is an arithmetic number, because the mean of its divisors is an integer number (263550).

2^1423143 is an apocalyptic number.

1423143 is a deficient number, since it is larger than the sum of its proper divisors (685257).

1423143 is an equidigital number, since it uses as much as digits as its factorization.

1423143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52718 (or 52712 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1423143 is about 1192.9555733555. The cubic root of 1423143 is about 112.4819526605.

Adding to 1423143 its reverse (3413241), we get a palindrome (4836384).

The spelling of 1423143 in words is "one million, four hundred twenty-three thousand, one hundred forty-three".