2240440244423 has 2 divisors, whose sum is σ = 2240440244424. Its totient is φ = 2240440244422.

The previous prime is 2240440244363. The next prime is 2240440244473. The reversal of 2240440244423 is 3244420440422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2240440244423 - 2⁸ = 2240440244167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240440244473) 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 as a sum of consecutive naturals, namely, 1120220122211 + 1120220122212.

It is an arithmetic number, because the mean of its divisors is an integer number (1120220122212).

Almost surely, 2^{2240440244423} is an apocalyptic number.

2240440244423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240440244423 is an equidigital number, since it uses as much as digits as its factorization.

2240440244423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 2240440244423 its reverse (3244420440422), we get a palindrome (5484860684845).

The spelling of 2240440244423 in words is "two trillion, two hundred forty billion, four hundred forty million, two hundred forty-four thousand, four hundred twenty-three".