228027273143 has 2 divisors, whose sum is σ = 228027273144. Its totient is φ = 228027273142.

The previous prime is 228027273139. The next prime is 228027273157. The reversal of 228027273143 is 341372720822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228027273143 - 2² = 228027273139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228027273143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228027473143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114013636571 + 114013636572.

It is an arithmetic number, because the mean of its divisors is an integer number (114013636572).

Almost surely, 2^228027273143 is an apocalyptic number.

228027273143 is a deficient number, since it is larger than the sum of its proper divisors (1).

228027273143 is an equidigital number, since it uses as much as digits as its factorization.

228027273143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 41.

Adding to 228027273143 its reverse (341372720822), we get a palindrome (569399993965).

The spelling of 228027273143 in words is "two hundred twenty-eight billion, twenty-seven million, two hundred seventy-three thousand, one hundred forty-three".