1142231320273 has 2 divisors, whose sum is σ = 1142231320274. Its totient is φ = 1142231320272.

The previous prime is 1142231320229. The next prime is 1142231320297. The reversal of 1142231320273 is 3720231322411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044580070209 + 97651250064 = 1022047^2 + 312492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142231320273 is a prime.

It is a super-5 number, since 5×1142231320273⁵ (a number of 61 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (1142231326273) 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 as a sum of consecutive naturals, namely, 571115660136 + 571115660137.

It is an arithmetic number, because the mean of its divisors is an integer number (571115660137).

Almost surely, 2^{1142231320273} is an apocalyptic number.

It is an amenable number.

1142231320273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142231320273 is an equidigital number, since it uses as much as digits as its factorization.

1142231320273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 1142231320273 its reverse (3720231322411), we get a palindrome (4862462642684).

The spelling of 1142231320273 in words is "one trillion, one hundred forty-two billion, two hundred thirty-one million, three hundred twenty thousand, two hundred seventy-three".