1323355343545 has 8 divisors (see below), whose sum is σ = 1590386039496. Its totient is φ = 1057111190016.

The previous prime is 1323355343483. The next prime is 1323355343567. The reversal of 1323355343545 is 5453435533231.

It can be written as a sum of positive squares in 4 ways, for example, as 387925928569 + 935429414976 = 622837^2 + 967176^2 .

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 1323355343545 - 2⁹ = 1323355343033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323355343495 and 1323355343504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196631902 + ... + 196638631.

It is an arithmetic number, because the mean of its divisors is an integer number (198798254937).

Almost surely, 2^{1323355343545} is an apocalyptic number.

It is an amenable number.

1323355343545 is a deficient number, since it is larger than the sum of its proper divisors (267030695951).

1323355343545 is an equidigital number, since it uses as much as digits as its factorization.

1323355343545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393271211.

The product of its digits is 4860000, while the sum is 46.

The spelling of 1323355343545 in words is "one trillion, three hundred twenty-three billion, three hundred fifty-five million, three hundred forty-three thousand, five hundred forty-five".