1143040043 has 2 divisors, whose sum is σ = 1143040044. Its totient is φ = 1143040042.

The previous prime is 1143040037. The next prime is 1143040049. The reversal of 1143040043 is 3400403411.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1143040037) and next prime (1143040049).

It is an emirp because it is prime and its reverse (3400403411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143040043 - 2⁶ = 1143039979 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143039997 and 1143040024.

It is not a weakly prime, because it can be changed into another prime (1143040049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571520021 + 571520022.

It is an arithmetic number, because the mean of its divisors is an integer number (571520022).

Almost surely, 2^1143040043 is an apocalyptic number.

1143040043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143040043 is an equidigital number, since it uses as much as digits as its factorization.

1143040043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1143040043 is about 33808.8752105124. The cubic root of 1143040043 is about 1045.5716881358.

Adding to 1143040043 its reverse (3400403411), we get a palindrome (4543443454).

The spelling of 1143040043 in words is "one billion, one hundred forty-three million, forty thousand, forty-three".