1313605155323 has 8 divisors (see below), whose sum is σ = 1335183263040. Its totient is φ = 1292028454080.

The previous prime is 1313605155293. The next prime is 1313605155367. The reversal of 1313605155323 is 3235515063131.

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 1313605155323 - 2⁸ = 1313605155067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313605155623) 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, 1621886 + ... + 2292972.

It is an arithmetic number, because the mean of its divisors is an integer number (166897907880).

Almost surely, 2^{1313605155323} is an apocalyptic number.

1313605155323 is a deficient number, since it is larger than the sum of its proper divisors (21578107717).

1313605155323 is an equidigital number, since it uses as much as digits as its factorization.

1313605155323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703237.

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 1313605155323 in words is "one trillion, three hundred thirteen billion, six hundred five million, one hundred fifty-five thousand, three hundred twenty-three".