1142443320423 has 8 divisors (see below), whose sum is σ = 1523267088000. Its totient is φ = 761624216568.

The previous prime is 1142443320419. The next prime is 1142443320433. The reversal of 1142443320423 is 3240233442411.

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

It is not a de Polignac number, because 1142443320423 - 2² = 1142443320419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142443320413) 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, 547483 + ... + 1607676.

It is an arithmetic number, because the mean of its divisors is an integer number (190408386000).

Almost surely, 2^{1142443320423} is an apocalyptic number.

1142443320423 is a deficient number, since it is larger than the sum of its proper divisors (380823767577).

1142443320423 is a wasteful number, since it uses less digits than its factorization.

1142443320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331861.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1142443320423 its reverse (3240233442411), we get a palindrome (4382676762834).

The spelling of 1142443320423 in words is "one trillion, one hundred forty-two billion, four hundred forty-three million, three hundred twenty thousand, four hundred twenty-three".