142204321340323 has 4 divisors (see below), whose sum is σ = 155131986916728. Its totient is φ = 129276655763920.

The previous prime is 142204321340243. The next prime is 142204321340359. The reversal of 142204321340323 is 323043123402241.

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 142204321340323 - 2²¹ = 142204319243171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142204321340383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6463832788186 + ... + 6463832788207.

It is an arithmetic number, because the mean of its divisors is an integer number (38782996729182).

Almost surely, 2^{142204321340323} is an apocalyptic number.

142204321340323 is a deficient number, since it is larger than the sum of its proper divisors (12927665576405).

142204321340323 is a wasteful number, since it uses less digits than its factorization.

142204321340323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12927665576404.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 142204321340323 its reverse (323043123402241), we get a palindrome (465247444742564).

The spelling of 142204321340323 in words is "one hundred forty-two trillion, two hundred four billion, three hundred twenty-one million, three hundred forty thousand, three hundred twenty-three".