142231123241 has 2 divisors, whose sum is σ = 142231123242. Its totient is φ = 142231123240.

The previous prime is 142231123201. The next prime is 142231123273. The reversal of 142231123241 is 142321132241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117115212841 + 25115910400 = 342221^2 + 158480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142231123241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142231123241.

It is not a weakly prime, because it can be changed into another prime (142231123201) 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, 71115561620 + 71115561621.

It is an arithmetic number, because the mean of its divisors is an integer number (71115561621).

Almost surely, 2^142231123241 is an apocalyptic number.

It is an amenable number.

142231123241 is a deficient number, since it is larger than the sum of its proper divisors (1).

142231123241 is an equidigital number, since it uses as much as digits as its factorization.

142231123241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

Adding to 142231123241 its reverse (142321132241), we get a palindrome (284552255482).

The spelling of 142231123241 in words is "one hundred forty-two billion, two hundred thirty-one million, one hundred twenty-three thousand, two hundred forty-one".