1323795851 has 4 divisors (see below), whose sum is σ = 1512909552. Its totient is φ = 1134682152.

The previous prime is 1323795841. The next prime is 1323795853. The reversal of 1323795851 is 1585973231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1585973231 = 17 ⋅93292543.

It is a cyclic number.

It is not a de Polignac number, because 1323795851 - 2¹⁰ = 1323794827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323795853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94556840 + ... + 94556853.

It is an arithmetic number, because the mean of its divisors is an integer number (378227388).

Almost surely, 2^1323795851 is an apocalyptic number.

1323795851 is a deficient number, since it is larger than the sum of its proper divisors (189113701).

1323795851 is an equidigital number, since it uses as much as digits as its factorization.

1323795851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189113700.

The product of its digits is 226800, while the sum is 44.

The square root of 1323795851 is about 36384.0054282098. The cubic root of 1323795851 is about 1098.0117945146.

The spelling of 1323795851 in words is "one billion, three hundred twenty-three million, seven hundred ninety-five thousand, eight hundred fifty-one".