1134123443 has 2 divisors, whose sum is σ = 1134123444. Its totient is φ = 1134123442.

The previous prime is 1134123439. The next prime is 1134123449. The reversal of 1134123443 is 3443214311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1134123443 - 2² = 1134123439 is a prime.

It is not a weakly prime, because it can be changed into another prime (1134123449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567061721 + 567061722.

It is an arithmetic number, because the mean of its divisors is an integer number (567061722).

Almost surely, 2^1134123443 is an apocalyptic number.

1134123443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134123443 is an equidigital number, since it uses as much as digits as its factorization.

1134123443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 1134123443 is about 33676.7492938377. The cubic root of 1134123443 is about 1042.8458308194.

Adding to 1134123443 its reverse (3443214311), we get a palindrome (4577337754).

The spelling of 1134123443 in words is "one billion, one hundred thirty-four million, one hundred twenty-three thousand, four hundred forty-three".