142320232213 has 2 divisors, whose sum is σ = 142320232214. Its totient is φ = 142320232212.

The previous prime is 142320232207. The next prime is 142320232267. The reversal of 142320232213 is 312232023241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74773261809 + 67546970404 = 273447^2 + 259898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142320232213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142320236213) 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 as a sum of consecutive naturals, namely, 71160116106 + 71160116107.

It is an arithmetic number, because the mean of its divisors is an integer number (71160116107).

Almost surely, 2^142320232213 is an apocalyptic number.

It is an amenable number.

142320232213 is a deficient number, since it is larger than the sum of its proper divisors (1).

142320232213 is an equidigital number, since it uses as much as digits as its factorization.

142320232213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 142320232213 its reverse (312232023241), we get a palindrome (454552255454).

The spelling of 142320232213 in words is "one hundred forty-two billion, three hundred twenty million, two hundred thirty-two thousand, two hundred thirteen".