1143232471 has 2 divisors, whose sum is σ = 1143232472. Its totient is φ = 1143232470.

The previous prime is 1143232459. The next prime is 1143232481. The reversal of 1143232471 is 1742323411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143232471 - 2¹⁹ = 1142708183 is a prime.

It is a super-3 number, since 3×1143232471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143232481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571616235 + 571616236.

It is an arithmetic number, because the mean of its divisors is an integer number (571616236).

Almost surely, 2^1143232471 is an apocalyptic number.

1143232471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143232471 is an equidigital number, since it uses as much as digits as its factorization.

1143232471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 1143232471 is about 33811.7209115419. The cubic root of 1143232471 is about 1045.6303579904.

Adding to 1143232471 its reverse (1742323411), we get a palindrome (2885555882).

The spelling of 1143232471 in words is "one billion, one hundred forty-three million, two hundred thirty-two thousand, four hundred seventy-one".