1323575105 has 4 divisors (see below), whose sum is σ = 1588290132. Its totient is φ = 1058860080.

The previous prime is 1323575087. The next prime is 1323575147. The reversal of 1323575105 is 5015753231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5015753231 = 5107 ⋅982133.

It can be written as a sum of positive squares in 2 ways, for example, as 724255744 + 599319361 = 26912^2 + 24481^2 .

It is not a de Polignac number, because 1323575105 - 2⁶ = 1323575041 is a prime.

It is a super-2 number, since 2×1323575105² = 3503702117151522050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132357506 + ... + 132357515.

It is an arithmetic number, because the mean of its divisors is an integer number (397072533).

Almost surely, 2^1323575105 is an apocalyptic number.

It is an amenable number.

1323575105 is a deficient number, since it is larger than the sum of its proper divisors (264715027).

1323575105 is an equidigital number, since it uses as much as digits as its factorization.

1323575105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264715026.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 1323575105 is about 36380.9717434815. The cubic root of 1323575105 is about 1097.9507591252.

The spelling of 1323575105 in words is "one billion, three hundred twenty-three million, five hundred seventy-five thousand, one hundred five".