181382084423 has 2 divisors, whose sum is σ = 181382084424. Its totient is φ = 181382084422.

The previous prime is 181382084419. The next prime is 181382084441. The reversal of 181382084423 is 324480283181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 181382084423 - 2² = 181382084419 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181382084453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90691042211 + 90691042212.

It is an arithmetic number, because the mean of its divisors is an integer number (90691042212).

Almost surely, 2^181382084423 is an apocalyptic number.

181382084423 is a deficient number, since it is larger than the sum of its proper divisors (1).

181382084423 is an equidigital number, since it uses as much as digits as its factorization.

181382084423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 181382084423 in words is "one hundred eighty-one billion, three hundred eighty-two million, eighty-four thousand, four hundred twenty-three".