1340241342123 has 16 divisors (see below), whose sum is σ = 1895252196096. Its totient is φ = 840636049440.

The previous prime is 1340241342079. The next prime is 1340241342127. The reversal of 1340241342123 is 3212431420431.

It is not a de Polignac number, because 1340241342123 - 2²⁴ = 1340224564907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340241342127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159207165 + ... + 159215582.

It is an arithmetic number, because the mean of its divisors is an integer number (118453262256).

Almost surely, 2^{1340241342123} is an apocalyptic number.

1340241342123 is a deficient number, since it is larger than the sum of its proper divisors (555010853973).

1340241342123 is a wasteful number, since it uses less digits than its factorization.

1340241342123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318422834.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1340241342123 its reverse (3212431420431), we get a palindrome (4552672762554).

The spelling of 1340241342123 in words is "one trillion, three hundred forty billion, two hundred forty-one million, three hundred forty-two thousand, one hundred twenty-three".