840708223 has 8 divisors (see below), whose sum is σ = 870360768. Its totient is φ = 811545984.

The previous prime is 840708221. The next prime is 840708263. The reversal of 840708223 is 322807048.

840708223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 840708223 - 2¹ = 840708221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840708221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119086 + ... + 125947.

It is an arithmetic number, because the mean of its divisors is an integer number (108795096).

Almost surely, 2^840708223 is an apocalyptic number.

840708223 is a deficient number, since it is larger than the sum of its proper divisors (29652545).

840708223 is a wasteful number, since it uses less digits than its factorization.

840708223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245153.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 840708223 is about 28994.9689256602. The cubic root of 840708223 is about 943.8038945407.

The spelling of 840708223 in words is "eight hundred forty million, seven hundred eight thousand, two hundred twenty-three".