1143232243 has 2 divisors, whose sum is σ = 1143232244. Its totient is φ = 1143232242.

The previous prime is 1143232193. The next prime is 1143232249. The reversal of 1143232243 is 3422323411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143232243 - 2¹⁷ = 1143101171 is a prime.

It is a super-2 number, since 2×1143232243² = 2613959922869622098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1143232249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571616121 + 571616122.

It is an arithmetic number, because the mean of its divisors is an integer number (571616122).

Almost surely, 2^1143232243 is an apocalyptic number.

1143232243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143232243 is an equidigital number, since it uses as much as digits as its factorization.

1143232243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 1143232243 is about 33811.7175399299. The cubic root of 1143232243 is about 1045.6302884788.

Adding to 1143232243 its reverse (3422323411), we get a palindrome (4565555654).

It can be divided in two parts, 11432 and 32243, that multiplied together give a triangular number (368601976 = T₂₇₁₅₁).

The spelling of 1143232243 in words is "one billion, one hundred forty-three million, two hundred thirty-two thousand, two hundred forty-three".