180223247 has 2 divisors, whose sum is σ = 180223248. Its totient is φ = 180223246.

The previous prime is 180223237. The next prime is 180223297. The reversal of 180223247 is 742322081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 180223247 - 2⁴ = 180223231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180223237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90111623 + 90111624.

It is an arithmetic number, because the mean of its divisors is an integer number (90111624).

Almost surely, 2^180223247 is an apocalyptic number.

180223247 is a deficient number, since it is larger than the sum of its proper divisors (1).

180223247 is an equidigital number, since it uses as much as digits as its factorization.

180223247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 180223247 is about 13424.7252113405. The cubic root of 180223247 is about 564.8549469701.

The spelling of 180223247 in words is "one hundred eighty million, two hundred twenty-three thousand, two hundred forty-seven".