1143223127 has 2 divisors, whose sum is σ = 1143223128. Its totient is φ = 1143223126.

The previous prime is 1143223099. The next prime is 1143223187. The reversal of 1143223127 is 7213223411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143223127 - 2⁶ = 1143223063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143223096 and 1143223105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143223187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571611563 + 571611564.

It is an arithmetic number, because the mean of its divisors is an integer number (571611564).

Almost surely, 2^1143223127 is an apocalyptic number.

1143223127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143223127 is an equidigital number, since it uses as much as digits as its factorization.

1143223127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 1143223127 is about 33811.5827343235. The cubic root of 1143223127 is about 1045.6275092270.

Adding to 1143223127 its reverse (7213223411), we get a palindrome (8356446538).

The spelling of 1143223127 in words is "one billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred twenty-seven".