1143110123 has 2 divisors, whose sum is σ = 1143110124. Its totient is φ = 1143110122.

The previous prime is 1143110119. The next prime is 1143110131. The reversal of 1143110123 is 3210113411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143110123 - 2² = 1143110119 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143110183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571555061 + 571555062.

It is an arithmetic number, because the mean of its divisors is an integer number (571555062).

Almost surely, 2^1143110123 is an apocalyptic number.

1143110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143110123 is an equidigital number, since it uses as much as digits as its factorization.

1143110123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1143110123 is about 33809.9116088759. The cubic root of 1143110123 is about 1045.5930557647.

Adding to 1143110123 its reverse (3210113411), we get a palindrome (4353223534).

The spelling of 1143110123 in words is "one billion, one hundred forty-three million, one hundred ten thousand, one hundred twenty-three".