231330123 has 6 divisors (see below), whose sum is σ = 334143524. Its totient is φ = 154220076.

The previous prime is 231330109. The next prime is 231330157. The reversal of 231330123 is 321033132.

It is not a de Polignac number, because 231330123 - 2⁶ = 231330059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231330096 and 231330105.

It is not an unprimeable number, because it can be changed into a prime (231330103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12851665 + ... + 12851682.

Almost surely, 2^231330123 is an apocalyptic number.

231330123 is a deficient number, since it is larger than the sum of its proper divisors (102813401).

231330123 is a wasteful number, since it uses less digits than its factorization.

231330123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25703353 (or 25703350 counting only the distinct ones).

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

The square root of 231330123 is about 15209.5405256043. The cubic root of 231330123 is about 613.8713943353.

Adding to 231330123 its reverse (321033132), we get a palindrome (552363255).

The spelling of 231330123 in words is "two hundred thirty-one million, three hundred thirty thousand, one hundred twenty-three".