180823873 has 2 divisors, whose sum is σ = 180823874. Its totient is φ = 180823872.

The previous prime is 180823807. The next prime is 180823891. The reversal of 180823873 is 378328081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132549169 + 48274704 = 11513^2 + 6948^2 .

It is a cyclic number.

It is not a de Polignac number, because 180823873 - 2¹³ = 180815681 is a prime.

It is not a weakly prime, because it can be changed into another prime (180823073) 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, 90411936 + 90411937.

It is an arithmetic number, because the mean of its divisors is an integer number (90411937).

Almost surely, 2^180823873 is an apocalyptic number.

It is an amenable number.

180823873 is a deficient number, since it is larger than the sum of its proper divisors (1).

180823873 is an equidigital number, since it uses as much as digits as its factorization.

180823873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 180823873 is about 13447.0767455235. The cubic root of 180823873 is about 565.4817443461.

The spelling of 180823873 in words is "one hundred eighty million, eight hundred twenty-three thousand, eight hundred seventy-three".