1423544 has 8 divisors (see below), whose sum is σ = 2669160. Its totient is φ = 711768.

The previous prime is 1423511. The next prime is 1423547. The reversal of 1423544 is 4453241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423547) by changing a digit.

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 as a sum of consecutive naturals, namely, 88964 + ... + 88979.

It is an arithmetic number, because the mean of its divisors is an integer number (333645).

2^1423544 is an apocalyptic number.

It is an amenable number.

1423544 is a deficient number, since it is larger than the sum of its proper divisors (1245616).

1423544 is a wasteful number, since it uses less digits than its factorization.

1423544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177949 (or 177945 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 1423544 is about 1193.1236314817. The cubic root of 1423544 is about 112.4925163746.

Adding to 1423544 its reverse (4453241), we get a palindrome (5876785).

The spelling of 1423544 in words is "one million, four hundred twenty-three thousand, five hundred forty-four".