142435331223 has 4 divisors (see below), whose sum is σ = 189913774968. Its totient is φ = 94956887480.

The previous prime is 142435331219. The next prime is 142435331251. The reversal of 142435331223 is 322133534241.

142435331223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142435331223 - 2² = 142435331219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142435331723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23739221868 + ... + 23739221873.

It is an arithmetic number, because the mean of its divisors is an integer number (47478443742).

Almost surely, 2^142435331223 is an apocalyptic number.

142435331223 is a deficient number, since it is larger than the sum of its proper divisors (47478443745).

142435331223 is an equidigital number, since it uses as much as digits as its factorization.

142435331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47478443744.

The product of its digits is 51840, while the sum is 33.

Adding to 142435331223 its reverse (322133534241), we get a palindrome (464568865464).

The spelling of 142435331223 in words is "one hundred forty-two billion, four hundred thirty-five million, three hundred thirty-one thousand, two hundred twenty-three".