1144423 has 16 divisors (see below), whose sum is σ = 1416960. Its totient is φ = 902016.

The previous prime is 1144417. The next prime is 1144439. The reversal of 1144423 is 3244411.

It is a cyclic number.

It is not a de Polignac number, because 1144423 - 2¹³ = 1136231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6940 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (88560).

2^1144423 is an apocalyptic number.

1144423 is a deficient number, since it is larger than the sum of its proper divisors (272537).

1144423 is a wasteful number, since it uses less digits than its factorization.

1144423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its digits is 384, while the sum is 19.

The square root of 1144423 is about 1069.7770795825. Note that the first 3 decimals coincide. The cubic root of 1144423 is about 104.5993195071.

Adding to 1144423 its reverse (3244411), we get a palindrome (4388834).

The spelling of 1144423 in words is "one million, one hundred forty-four thousand, four hundred twenty-three".