1140123443287 has 2 divisors, whose sum is σ = 1140123443288. Its totient is φ = 1140123443286.

The previous prime is 1140123443267. The next prime is 1140123443309. The reversal of 1140123443287 is 7823443210411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140123443287 - 2¹¹ = 1140123441239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140123443267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570061721643 + 570061721644.

It is an arithmetic number, because the mean of its divisors is an integer number (570061721644).

Almost surely, 2^{1140123443287} is an apocalyptic number.

1140123443287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140123443287 is an equidigital number, since it uses as much as digits as its factorization.

1140123443287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

Adding to 1140123443287 its reverse (7823443210411), we get a palindrome (8963566653698).

The spelling of 1140123443287 in words is "one trillion, one hundred forty billion, one hundred twenty-three million, four hundred forty-three thousand, two hundred eighty-seven".