1340320332123 has 24 divisors (see below), whose sum is σ = 2002978195920. Its totient is φ = 862648476480.

The previous prime is 1340320332079. The next prime is 1340320332139. The reversal of 1340320332123 is 3212330230431.

1340320332123 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 320 + 332 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 1340320332123 - 2⁹ = 1340320331611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340320332223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2405040 + ... + 2909442.

It is an arithmetic number, because the mean of its divisors is an integer number (83457424830).

Almost surely, 2^{1340320332123} is an apocalyptic number.

1340320332123 is a deficient number, since it is larger than the sum of its proper divisors (662657863797).

1340320332123 is a wasteful number, since it uses less digits than its factorization.

1340320332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514619 (or 514616 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1340320332123 its reverse (3212330230431), we get a palindrome (4552650562554).

The spelling of 1340320332123 in words is "one trillion, three hundred forty billion, three hundred twenty million, three hundred thirty-two thousand, one hundred twenty-three".