123331023 has 6 divisors (see below), whose sum is σ = 178144824. Its totient is φ = 82220676.

The previous prime is 123331007. The next prime is 123331031. The reversal of 123331023 is 320133321.

It is not a de Polignac number, because 123331023 - 2⁴ = 123331007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123330987 and 123331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123331723) 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 5 ways as a sum of consecutive naturals, for example, 6851715 + ... + 6851732.

It is an arithmetic number, because the mean of its divisors is an integer number (29690804).

Almost surely, 2^123331023 is an apocalyptic number.

123331023 is a deficient number, since it is larger than the sum of its proper divisors (54813801).

123331023 is a wasteful number, since it uses less digits than its factorization.

123331023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13703453 (or 13703450 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123331023 is about 11105.4501484631. The cubic root of 123331023 is about 497.7647192648.

Adding to 123331023 its reverse (320133321), we get a palindrome (443464344).

The spelling of 123331023 in words is "one hundred twenty-three million, three hundred thirty-one thousand, twenty-three".