1340244112343 has 2 divisors, whose sum is σ = 1340244112344. Its totient is φ = 1340244112342.

The previous prime is 1340244112321. The next prime is 1340244112373. The reversal of 1340244112343 is 3432114420431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340244112343 - 2⁸ = 1340244112087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340244112373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670122056171 + 670122056172.

It is an arithmetic number, because the mean of its divisors is an integer number (670122056172).

Almost surely, 2^{1340244112343} is an apocalyptic number.

1340244112343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340244112343 is an equidigital number, since it uses as much as digits as its factorization.

1340244112343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1340244112343 its reverse (3432114420431), we get a palindrome (4772358532774).

The spelling of 1340244112343 in words is "one trillion, three hundred forty billion, two hundred forty-four million, one hundred twelve thousand, three hundred forty-three".