1323055616605 has 16 divisors (see below), whose sum is σ = 1605677394240. Its totient is φ = 1046439934848.

The previous prime is 1323055616593. The next prime is 1323055616611. The reversal of 1323055616605 is 5066165503231.

It is a cyclic number.

It is not a de Polignac number, because 1323055616605 - 2³⁵ = 1288695878237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4136974 + ... + 4445296.

It is an arithmetic number, because the mean of its divisors is an integer number (100354837140).

Almost surely, 2^{1323055616605} is an apocalyptic number.

It is an amenable number.

1323055616605 is a deficient number, since it is larger than the sum of its proper divisors (282621777635).

1323055616605 is an equidigital number, since it uses as much as digits as its factorization.

1323055616605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318060.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 1323055616605 in words is "one trillion, three hundred twenty-three billion, fifty-five million, six hundred sixteen thousand, six hundred five".