181126423 has 2 divisors, whose sum is σ = 181126424. Its totient is φ = 181126422.

The previous prime is 181126367. The next prime is 181126441. The reversal of 181126423 is 324621181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-181126423 is a prime.

It is a super-2 number, since 2×181126423² = 65613562217549858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 181126391 and 181126400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (181126453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90563211 + 90563212.

It is an arithmetic number, because the mean of its divisors is an integer number (90563212).

Almost surely, 2^181126423 is an apocalyptic number.

181126423 is a deficient number, since it is larger than the sum of its proper divisors (1).

181126423 is an equidigital number, since it uses as much as digits as its factorization.

181126423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 181126423 is about 13458.3217007174. The cubic root of 181126423 is about 565.7969519351.

The spelling of 181126423 in words is "one hundred eighty-one million, one hundred twenty-six thousand, four hundred twenty-three".