185485123 has 2 divisors, whose sum is σ = 185485124. Its totient is φ = 185485122.

The previous prime is 185485117. The next prime is 185485129. The reversal of 185485123 is 321584581.

It is a balanced prime because it is at equal distance from previous prime (185485117) and next prime (185485129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-185485123 is a prime.

It is not a weakly prime, because it can be changed into another prime (185485129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92742561 + 92742562.

It is an arithmetic number, because the mean of its divisors is an integer number (92742562).

Almost surely, 2^185485123 is an apocalyptic number.

185485123 is a deficient number, since it is larger than the sum of its proper divisors (1).

185485123 is an equidigital number, since it uses as much as digits as its factorization.

185485123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 37.

The square root of 185485123 is about 13619.2923090739. The cubic root of 185485123 is about 570.2995481034.

The spelling of 185485123 in words is "one hundred eighty-five million, four hundred eighty-five thousand, one hundred twenty-three".