123166231 has 8 divisors (see below), whose sum is σ = 124664400. Its totient is φ = 121677312.

The previous prime is 123166213. The next prime is 123166247. The reversal of 123166231 is 132661321.

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 123166231 - 2¹¹ = 123164183 is a prime.

It is a super-2 number, since 2×123166231² = 30339840917490722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123166196 and 123166205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123166201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26616 + ... + 30898.

It is an arithmetic number, because the mean of its divisors is an integer number (15583050).

Almost surely, 2^123166231 is an apocalyptic number.

123166231 is a deficient number, since it is larger than the sum of its proper divisors (1498169).

123166231 is a wasteful number, since it uses less digits than its factorization.

123166231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625.

The product of its digits is 1296, while the sum is 25.

The square root of 123166231 is about 11098.0282482971. The cubic root of 123166231 is about 497.5429199607.

The spelling of 123166231 in words is "one hundred twenty-three million, one hundred sixty-six thousand, two hundred thirty-one".