1728886223 has 2 divisors, whose sum is σ = 1728886224. Its totient is φ = 1728886222.

The previous prime is 1728886177. The next prime is 1728886249. The reversal of 1728886223 is 3226888271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1728886223 - 2⁸ = 1728885967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1728886273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864443111 + 864443112.

It is an arithmetic number, because the mean of its divisors is an integer number (864443112).

Almost surely, 2^1728886223 is an apocalyptic number.

1728886223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1728886223 is an equidigital number, since it uses as much as digits as its factorization.

1728886223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 47.

The square root of 1728886223 is about 41579.8776212725. The cubic root of 1728886223 is about 1200.2051091528.

The spelling of 1728886223 in words is "one billion, seven hundred twenty-eight million, eight hundred eighty-six thousand, two hundred twenty-three".