1142144004423 has 8 divisors (see below), whose sum is σ = 1522949586048. Its totient is φ = 761383879544.

The previous prime is 1142144004401. The next prime is 1142144004433. The reversal of 1142144004423 is 3244004412411.

It is a happy number.

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 1142144004423 - 2¹⁴ = 1142143988039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142144004433) 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, 11305515 + ... + 11406092.

It is an arithmetic number, because the mean of its divisors is an integer number (190368698256).

Almost surely, 2^{1142144004423} is an apocalyptic number.

1142144004423 is a deficient number, since it is larger than the sum of its proper divisors (380805581625).

1142144004423 is a wasteful number, since it uses less digits than its factorization.

1142144004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22728373.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1142144004423 its reverse (3244004412411), we get a palindrome (4386148416834).

The spelling of 1142144004423 in words is "one trillion, one hundred forty-two billion, one hundred forty-four million, four thousand, four hundred twenty-three".