123100122231 has 12 divisors (see below), whose sum is σ = 177849694152. Its totient is φ = 82049022096.

The previous prime is 123100122217. The next prime is 123100122241. The reversal of 123100122231 is 132221001321.

123100122231 is a `hidden beast` number, since 1 + 2 + 310 + 0 + 122 + 231 = 666.

It is not a de Polignac number, because 123100122231 - 2¹¹ = 123100120183 is a prime.

It is a super-2 number, since 2×123100122231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100122241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1433121 + ... + 1516586.

It is an arithmetic number, because the mean of its divisors is an integer number (14820807846).

Almost surely, 2^123100122231 is an apocalyptic number.

123100122231 is a deficient number, since it is larger than the sum of its proper divisors (54749571921).

123100122231 is a wasteful number, since it uses less digits than its factorization.

123100122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954350 (or 2954347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123100122231 its reverse (132221001321), we get a palindrome (255321123552).

The spelling of 123100122231 in words is "one hundred twenty-three billion, one hundred million, one hundred twenty-two thousand, two hundred thirty-one".