1442244323 has 8 divisors (see below), whose sum is σ = 1553489616. Its totient is φ = 1331042400.

The previous prime is 1442244319. The next prime is 1442244329. The reversal of 1442244323 is 3234422441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442244323 - 2² = 1442244319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442244329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101093 + ... + 114473.

It is an arithmetic number, because the mean of its divisors is an integer number (194186202).

Almost surely, 2^1442244323 is an apocalyptic number.

1442244323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1442244323 is a deficient number, since it is larger than the sum of its proper divisors (111245293).

1442244323 is a wasteful number, since it uses less digits than its factorization.

1442244323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21685.

The product of its digits is 18432, while the sum is 29.

The square root of 1442244323 is about 37976.8919607700. The cubic root of 1442244323 is about 1129.8295936944.

Adding to 1442244323 its reverse (3234422441), we get a palindrome (4676666764).

The spelling of 1442244323 in words is "one billion, four hundred forty-two million, two hundred forty-four thousand, three hundred twenty-three".