798170123 has 4 divisors (see below), whose sum is σ = 798370920. Its totient is φ = 797969328.

The previous prime is 798170119. The next prime is 798170147. The reversal of 798170123 is 321071897.

798170123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 798170123 - 2² = 798170119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798170323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94313 + ... + 102426.

It is an arithmetic number, because the mean of its divisors is an integer number (199592730).

Almost surely, 2^798170123 is an apocalyptic number.

798170123 is a deficient number, since it is larger than the sum of its proper divisors (200797).

798170123 is a wasteful number, since it uses less digits than its factorization.

798170123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200796.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 798170123 is about 28251.9047676435. The cubic root of 798170123 is about 927.6094316577.

The spelling of 798170123 in words is "seven hundred ninety-eight million, one hundred seventy thousand, one hundred twenty-three".