123170855 has 8 divisors (see below), whose sum is σ = 148352064. Its totient is φ = 98172000.

The previous prime is 123170849. The next prime is 123170867. The reversal of 123170855 is 558071321.

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

It is not a de Polignac number, because 123170855 - 2¹⁰ = 123169831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44096 + ... + 46805.

It is an arithmetic number, because the mean of its divisors is an integer number (18544008).

Almost surely, 2^123170855 is an apocalyptic number.

123170855 is a deficient number, since it is larger than the sum of its proper divisors (25181209).

123170855 is an equidigital number, since it uses as much as digits as its factorization.

123170855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91177.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 123170855 is about 11098.2365716361. The cubic root of 123170855 is about 497.5491462606.

The spelling of 123170855 in words is "one hundred twenty-three million, one hundred seventy thousand, eight hundred fifty-five".