1143445123 has 2 divisors, whose sum is σ = 1143445124. Its totient is φ = 1143445122.

The previous prime is 1143445117. The next prime is 1143445129. The reversal of 1143445123 is 3215443411.

It is a balanced prime because it is at equal distance from previous prime (1143445117) and next prime (1143445129).

It is a cyclic number.

It is not a de Polignac number, because 1143445123 - 2⁵ = 1143445091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143445091 and 1143445100.

It is not a weakly prime, because it can be changed into another prime (1143445129) 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, 571722561 + 571722562.

It is an arithmetic number, because the mean of its divisors is an integer number (571722562).

Almost surely, 2^1143445123 is an apocalyptic number.

1143445123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143445123 is an equidigital number, since it uses as much as digits as its factorization.

1143445123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 1143445123 is about 33814.8654144889. The cubic root of 1143445123 is about 1045.6951863338.

Adding to 1143445123 its reverse (3215443411), we get a palindrome (4358888534).

The spelling of 1143445123 in words is "one billion, one hundred forty-three million, four hundred forty-five thousand, one hundred twenty-three".