1818192018323 has 2 divisors, whose sum is σ = 1818192018324. Its totient is φ = 1818192018322.

The previous prime is 1818192018257. The next prime is 1818192018329. The reversal of 1818192018323 is 3238102918181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1818192018323 - 2¹² = 1818192014227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1818192018329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 909096009161 + 909096009162.

It is an arithmetic number, because the mean of its divisors is an integer number (909096009162).

Almost surely, 2^{1818192018323} is an apocalyptic number.

1818192018323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1818192018323 is an equidigital number, since it uses as much as digits as its factorization.

1818192018323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 47.

The spelling of 1818192018323 in words is "one trillion, eight hundred eighteen billion, one hundred ninety-two million, eighteen thousand, three hundred twenty-three".