1423738 has 8 divisors (see below), whose sum is σ = 2162880. Its totient is φ = 702780.

The previous prime is 1423717. The next prime is 1423753. The reversal of 1423738 is 8373241.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4348 + ... + 4663.

It is an arithmetic number, because the mean of its divisors is an integer number (270360).

2^1423738 is an apocalyptic number.

1423738 is a deficient number, since it is larger than the sum of its proper divisors (739142).

1423738 is an equidigital number, since it uses as much as digits as its factorization.

1423738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092.

The product of its digits is 4032, while the sum is 28.

The square root of 1423738 is about 1193.2049279147. The cubic root of 1423738 is about 112.4976262874.

Adding to 1423738 its reverse (8373241), we get a palindrome (9796979).

The spelling of 1423738 in words is "one million, four hundred twenty-three thousand, seven hundred thirty-eight".