1340234334223 has 2 divisors, whose sum is σ = 1340234334224. Its totient is φ = 1340234334222.

The previous prime is 1340234334191. The next prime is 1340234334239. The reversal of 1340234334223 is 3224334320431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340234334223 - 2⁵ = 1340234334191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340234334293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670117167111 + 670117167112.

It is an arithmetic number, because the mean of its divisors is an integer number (670117167112).

Almost surely, 2^{1340234334223} is an apocalyptic number.

1340234334223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340234334223 is an equidigital number, since it uses as much as digits as its factorization.

1340234334223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 1340234334223 its reverse (3224334320431), we get a palindrome (4564568654654).

The spelling of 1340234334223 in words is "one trillion, three hundred forty billion, two hundred thirty-four million, three hundred thirty-four thousand, two hundred twenty-three".