1813884323 has 2 divisors, whose sum is σ = 1813884324. Its totient is φ = 1813884322.

The previous prime is 1813884313. The next prime is 1813884341. The reversal of 1813884323 is 3234883181.

It is a weak prime.

It is an emirp because it is prime and its reverse (3234883181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1813884323 - 2¹⁸ = 1813622179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1813884313) 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 as a sum of consecutive naturals, namely, 906942161 + 906942162.

It is an arithmetic number, because the mean of its divisors is an integer number (906942162).

Almost surely, 2^1813884323 is an apocalyptic number.

1813884323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1813884323 is an equidigital number, since it uses as much as digits as its factorization.

1813884323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 41.

The square root of 1813884323 is about 42589.7208607899. The cubic root of 1813884323 is about 1219.5600677971.

The spelling of 1813884323 in words is "one billion, eight hundred thirteen million, eight hundred eighty-four thousand, three hundred twenty-three".