180331642223 has 2 divisors, whose sum is σ = 180331642224. Its totient is φ = 180331642222.

The previous prime is 180331642207. The next prime is 180331642303. The reversal of 180331642223 is 322246133081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 180331642223 - 2⁴ = 180331642207 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 (180331642423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90165821111 + 90165821112.

It is an arithmetic number, because the mean of its divisors is an integer number (90165821112).

Almost surely, 2^180331642223 is an apocalyptic number.

180331642223 is a deficient number, since it is larger than the sum of its proper divisors (1).

180331642223 is an equidigital number, since it uses as much as digits as its factorization.

180331642223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 180331642223 in words is "one hundred eighty billion, three hundred thirty-one million, six hundred forty-two thousand, two hundred twenty-three".