1423238 has 8 divisors (see below), whose sum is σ = 2141040. Its totient is φ = 709560.

The previous prime is 1423237. The next prime is 1423243. The reversal of 1423238 is 8323241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (267630).

2^1423238 is an apocalyptic number.

1423238 is a deficient number, since it is larger than the sum of its proper divisors (717802).

1423238 is a wasteful number, since it uses less digits than its factorization.

1423238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062.

The product of its digits is 1152, while the sum is 23.

The square root of 1423238 is about 1192.9953897648. The cubic root of 1423238 is about 112.4844554654.

Adding to 1423238 its reverse (8323241), we get a palindrome (9746479).

It can be divided in two parts, 1423 and 238, that added together give a palindrome (1661).

The spelling of 1423238 in words is "one million, four hundred twenty-three thousand, two hundred thirty-eight".