1684512406223 has 2 divisors, whose sum is σ = 1684512406224. Its totient is φ = 1684512406222.

The previous prime is 1684512406201. The next prime is 1684512406261. The reversal of 1684512406223 is 3226042154861.

It is a weak prime.

It is an emirp because it is prime and its reverse (3226042154861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1684512406223 - 2⁸ = 1684512405967 is a prime.

It is a super-3 number, since 3×1684512406223³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1684512406523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 842256203111 + 842256203112.

It is an arithmetic number, because the mean of its divisors is an integer number (842256203112).

Almost surely, 2^{1684512406223} is an apocalyptic number.

1684512406223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1684512406223 is an equidigital number, since it uses as much as digits as its factorization.

1684512406223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 1684512406223 in words is "one trillion, six hundred eighty-four billion, five hundred twelve million, four hundred six thousand, two hundred twenty-three".