1442304223 has 4 divisors (see below), whose sum is σ = 1442386240. Its totient is φ = 1442222208.

The previous prime is 1442304179. The next prime is 1442304229. The reversal of 1442304223 is 3224032441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442304223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442304229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703 + ... + 53776.

It is an arithmetic number, because the mean of its divisors is an integer number (360596560).

Almost surely, 2^1442304223 is an apocalyptic number.

1442304223 is a deficient number, since it is larger than the sum of its proper divisors (82017).

1442304223 is an equidigital number, since it uses as much as digits as its factorization.

1442304223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82016.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1442304223 is about 37977.6805900518. The cubic root of 1442304223 is about 1129.8452350238.

Adding to 1442304223 its reverse (3224032441), we get a palindrome (4666336664).

The spelling of 1442304223 in words is "one billion, four hundred forty-two million, three hundred four thousand, two hundred twenty-three".