1140123443305 has 32 divisors (see below), whose sum is σ = 1706067836928. Its totient is φ = 710591006400.

The previous prime is 1140123443287. The next prime is 1140123443309. The reversal of 1140123443305 is 5033443210411.

It is not a de Polignac number, because 1140123443305 - 2⁷ = 1140123443177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140123443309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762440 + ... + 2320870.

It is an arithmetic number, because the mean of its divisors is an integer number (53314619904).

Almost surely, 2^{1140123443305} is an apocalyptic number.

It is an amenable number.

1140123443305 is a deficient number, since it is larger than the sum of its proper divisors (565944393623).

1140123443305 is a wasteful number, since it uses less digits than its factorization.

1140123443305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563757.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1140123443305 its reverse (5033443210411), we get a palindrome (6173566653716).

The spelling of 1140123443305 in words is "one trillion, one hundred forty billion, one hundred twenty-three million, four hundred forty-three thousand, three hundred five".