1143232163 has 2 divisors, whose sum is σ = 1143232164. Its totient is φ = 1143232162.

The previous prime is 1143232121. The next prime is 1143232169. The reversal of 1143232163 is 3612323411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143232163 - 2¹² = 1143228067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143232169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571616081 + 571616082.

It is an arithmetic number, because the mean of its divisors is an integer number (571616082).

Almost surely, 2^1143232163 is an apocalyptic number.

1143232163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143232163 is an equidigital number, since it uses as much as digits as its factorization.

1143232163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 1143232163 is about 33811.7163569080. The cubic root of 1143232163 is about 1045.6302640888.

Adding to 1143232163 its reverse (3612323411), we get a palindrome (4755555574).

The spelling of 1143232163 in words is "one billion, one hundred forty-three million, two hundred thirty-two thousand, one hundred sixty-three".