123331223331 has 12 divisors (see below), whose sum is σ = 188624224152. Its totient is φ = 77384296896.

The previous prime is 123331223311. The next prime is 123331223347. The reversal of 123331223331 is 133322133321.

123331223331 is a `hidden beast` number, since 12 + 3 + 3 + 312 + 2 + 3 + 331 = 666.

It is not a de Polignac number, because 123331223331 - 2²⁹ = 122794352419 is a prime.

It is a super-2 number, since 2×123331223331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123331223295 and 123331223304.

It is not an unprimeable number, because it can be changed into a prime (123331223311) 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, 403043061 + ... + 403043366.

It is an arithmetic number, because the mean of its divisors is an integer number (15718685346).

Almost surely, 2^123331223331 is an apocalyptic number.

123331223331 is a deficient number, since it is larger than the sum of its proper divisors (65293000821).

123331223331 is a wasteful number, since it uses less digits than its factorization.

123331223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806086450 (or 806086447 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 123331223331 its reverse (133322133321), we get a palindrome (256653356652).

The spelling of 123331223331 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred twenty-three thousand, three hundred thirty-one".