1442123040321 has 12 divisors (see below), whose sum is σ = 2127387180672. Its totient is φ = 940959713976.

The previous prime is 1442123040317. The next prime is 1442123040349. The reversal of 1442123040321 is 1230403212441.

1442123040321 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 1 + 230 + 403 + 21 = 666.

It is not a de Polignac number, because 1442123040321 - 2² = 1442123040317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442123040301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1704636741 + ... + 1704637586.

It is an arithmetic number, because the mean of its divisors is an integer number (177282265056).

Almost surely, 2^{1442123040321} is an apocalyptic number.

It is an amenable number.

1442123040321 is a deficient number, since it is larger than the sum of its proper divisors (685264140351).

1442123040321 is a wasteful number, since it uses less digits than its factorization.

1442123040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409274380 (or 3409274377 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1442123040321 its reverse (1230403212441), we get a palindrome (2672526252762).

The spelling of 1442123040321 in words is "one trillion, four hundred forty-two billion, one hundred twenty-three million, forty thousand, three hundred twenty-one".