1423024 has 40 divisors (see below), whose sum is σ = 3015680. Its totient is φ = 648000.

The previous prime is 1423003. The next prime is 1423039. The reversal of 1423024 is 4203241.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1422989 and 1423007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9349 + ... + 9499.

It is an arithmetic number, because the mean of its divisors is an integer number (75392).

2^1423024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507840).

1423024 is an abundant number, since it is smaller than the sum of its proper divisors (1592656).

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

1423024 is a wasteful number, since it uses less digits than its factorization.

1423024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1423024 is about 1192.9056961889. The cubic root of 1423024 is about 112.4788174110.

Adding to 1423024 its reverse (4203241), we get a palindrome (5626265).

The spelling of 1423024 in words is "one million, four hundred twenty-three thousand, twenty-four".