1442323312 has 20 divisors (see below), whose sum is σ = 2799683656. Its totient is φ = 719824320.

The previous prime is 1442323301. The next prime is 1442323313. The reversal of 1442323312 is 2133232441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442323313) 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, 74658 + ... + 91969.

Almost surely, 2^1442323312 is an apocalyptic number.

It is an amenable number.

1442323312 is a deficient number, since it is larger than the sum of its proper divisors (1357360344).

1442323312 is a wasteful number, since it uses less digits than its factorization.

1442323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167176 (or 167170 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 1442323312 is about 37977.9319078857. The cubic root of 1442323312 is about 1129.8502195294.

Adding to 1442323312 its reverse (2133232441), we get a palindrome (3575555753).

The spelling of 1442323312 in words is "one billion, four hundred forty-two million, three hundred twenty-three thousand, three hundred twelve".