1720467223 has 2 divisors, whose sum is σ = 1720467224. Its totient is φ = 1720467222.

The previous prime is 1720467197. The next prime is 1720467247. The reversal of 1720467223 is 3227640271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1720467223 - 2⁵ = 1720467191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1720467263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860233611 + 860233612.

It is an arithmetic number, because the mean of its divisors is an integer number (860233612).

Almost surely, 2^1720467223 is an apocalyptic number.

1720467223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1720467223 is an equidigital number, since it uses as much as digits as its factorization.

1720467223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1720467223 is about 41478.5151976297. The cubic root of 1720467223 is about 1198.2537617296.

The spelling of 1720467223 in words is "one billion, seven hundred twenty million, four hundred sixty-seven thousand, two hundred twenty-three".