1340113551323 has 8 divisors (see below), whose sum is σ = 1341067499520. Its totient is φ = 1339159732200.

The previous prime is 1340113551299. The next prime is 1340113551341. The reversal of 1340113551323 is 3231553110431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340113551323 - 2¹⁶ = 1340113485787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340113551323.

It is not an unprimeable number, because it can be changed into a prime (1340113551353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31034798 + ... + 31077948.

It is an arithmetic number, because the mean of its divisors is an integer number (167633437440).

Almost surely, 2^{1340113551323} is an apocalyptic number.

1340113551323 is a deficient number, since it is larger than the sum of its proper divisors (953948197).

1340113551323 is a wasteful number, since it uses less digits than its factorization.

1340113551323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64537.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 1340113551323 its reverse (3231553110431), we get a palindrome (4571666661754).

The spelling of 1340113551323 in words is "one trillion, three hundred forty billion, one hundred thirteen million, five hundred fifty-one thousand, three hundred twenty-three".