1816322323 has 2 divisors, whose sum is σ = 1816322324. Its totient is φ = 1816322322.

The previous prime is 1816322297. The next prime is 1816322357. The reversal of 1816322323 is 3232236181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1816322323 - 2¹³ = 1816314131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1816322383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 908161161 + 908161162.

It is an arithmetic number, because the mean of its divisors is an integer number (908161162).

Almost surely, 2^1816322323 is an apocalyptic number.

1816322323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1816322323 is an equidigital number, since it uses as much as digits as its factorization.

1816322323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 1816322323 is about 42618.3331795133. Note that the first 3 decimals coincide. The cubic root of 1816322323 is about 1220.1062173489.

The spelling of 1816322323 in words is "one billion, eight hundred sixteen million, three hundred twenty-two thousand, three hundred twenty-three".