123182231 has 8 divisors (see below), whose sum is σ = 125483904. Its totient is φ = 120896440.

The previous prime is 123182179. The next prime is 123182233. The reversal of 123182231 is 132281321.

It is a happy number.

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 123182231 - 2⁶ = 123182167 is a prime.

It is a super-2 number, since 2×123182231² = 30347724068274722, 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 = 123182197 and 123182206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123182233) 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, 12296 + ... + 19938.

It is an arithmetic number, because the mean of its divisors is an integer number (15685488).

Almost surely, 2^123182231 is an apocalyptic number.

123182231 is a deficient number, since it is larger than the sum of its proper divisors (2301673).

123182231 is an equidigital number, since it uses as much as digits as its factorization.

123182231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941.

The product of its digits is 576, while the sum is 23.

The square root of 123182231 is about 11098.7490736569. The cubic root of 123182231 is about 497.5644635877.

The spelling of 123182231 in words is "one hundred twenty-three million, one hundred eighty-two thousand, two hundred thirty-one".