142243040023 has 16 divisors (see below), whose sum is σ = 170926373376. Its totient is φ = 115731364320.

The previous prime is 142243039993. The next prime is 142243040039. The reversal of 142243040023 is 320040342241.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142243040023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142243040023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142243040323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351036 + ... + 3393217.

It is an arithmetic number, because the mean of its divisors is an integer number (10682898336).

Almost surely, 2^142243040023 is an apocalyptic number.

142243040023 is a deficient number, since it is larger than the sum of its proper divisors (28683333353).

142243040023 is a wasteful number, since it uses less digits than its factorization.

142243040023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744414.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 142243040023 its reverse (320040342241), we get a palindrome (462283382264).

The spelling of 142243040023 in words is "one hundred forty-two billion, two hundred forty-three million, forty thousand, twenty-three".