181082423 has 2 divisors, whose sum is σ = 181082424. Its totient is φ = 181082422.

The previous prime is 181082393. The next prime is 181082449. The reversal of 181082423 is 324280181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 181082423 - 2⁶ = 181082359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181082123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90541211 + 90541212.

It is an arithmetic number, because the mean of its divisors is an integer number (90541212).

Almost surely, 2^181082423 is an apocalyptic number.

181082423 is a deficient number, since it is larger than the sum of its proper divisors (1).

181082423 is an equidigital number, since it uses as much as digits as its factorization.

181082423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 181082423 is about 13456.6869250942. The cubic root of 181082423 is about 565.7511329585.

The spelling of 181082423 in words is "one hundred eighty-one million, eighty-two thousand, four hundred twenty-three".