1423142 has 8 divisors (see below), whose sum is σ = 2439696. Its totient is φ = 609912.

The previous prime is 1423129. The next prime is 1423159. The reversal of 1423142 is 2413241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1423142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50813 + ... + 50840.

It is an arithmetic number, because the mean of its divisors is an integer number (304962).

2^1423142 is an apocalyptic number.

1423142 is a deficient number, since it is larger than the sum of its proper divisors (1016554).

1423142 is a wasteful number, since it uses less digits than its factorization.

1423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101662.

The product of its digits is 192, while the sum is 17.

The square root of 1423142 is about 1192.9551542284. The cubic root of 1423142 is about 112.4819263146.

Adding to 1423142 its reverse (2413241), we get a palindrome (3836383).

Subtracting 1423142 from its reverse (2413241), we obtain a palindrome (990099).

The spelling of 1423142 in words is "one million, four hundred twenty-three thousand, one hundred forty-two".