1442123280321 has 4 divisors (see below), whose sum is σ = 1922831040432. Its totient is φ = 961415520212.

The previous prime is 1442123280277. The next prime is 1442123280337. The reversal of 1442123280321 is 1230823212441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1442123280321 - 2⁹ = 1442123279809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442123280341) 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, 240353880051 + ... + 240353880056.

It is an arithmetic number, because the mean of its divisors is an integer number (480707760108).

Almost surely, 2^{1442123280321} is an apocalyptic number.

It is an amenable number.

1442123280321 is a deficient number, since it is larger than the sum of its proper divisors (480707760111).

1442123280321 is an equidigital number, since it uses as much as digits as its factorization.

1442123280321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480707760110.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 1442123280321 its reverse (1230823212441), we get a palindrome (2672946492762).

The spelling of 1442123280321 in words is "one trillion, four hundred forty-two billion, one hundred twenty-three million, two hundred eighty thousand, three hundred twenty-one".