1423744 has 48 divisors (see below), whose sum is σ = 3313980. Its totient is φ = 607488.

The previous prime is 1423717. The next prime is 1423753. The reversal of 1423744 is 4473241.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6159 + ... + 6385.

2^1423744 is an apocalyptic number.

1423744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656990).

1423744 is an abundant number, since it is smaller than the sum of its proper divisors (1890236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423744 is an equidigital number, since it uses as much as digits as its factorization.

1423744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 236 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 1423744 is about 1193.2074421491. The cubic root of 1423744 is about 112.4977843185.

Adding to 1423744 its reverse (4473241), we get a palindrome (5896985).

The spelling of 1423744 in words is "one million, four hundred twenty-three thousand, seven hundred forty-four".