142320212243 has 8 divisors (see below), whose sum is σ = 155268431280. Its totient is φ = 129373662880.

The previous prime is 142320212231. The next prime is 142320212257. The reversal of 142320212243 is 342212023241.

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

It is not a de Polignac number, because 142320212243 - 2⁴ = 142320212227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142320212273) 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, 235748 + ... + 583281.

It is an arithmetic number, because the mean of its divisors is an integer number (19408553910).

Almost surely, 2^142320212243 is an apocalyptic number.

142320212243 is a deficient number, since it is larger than the sum of its proper divisors (12948219037).

142320212243 is a wasteful number, since it uses less digits than its factorization.

142320212243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834837.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 142320212243 its reverse (342212023241), we get a palindrome (484532235484).

The spelling of 142320212243 in words is "one hundred forty-two billion, three hundred twenty million, two hundred twelve thousand, two hundred forty-three".