231330123230 has 32 divisors (see below), whose sum is σ = 420687878688. Its totient is φ = 91582617600.

The previous prime is 231330123169. The next prime is 231330123239. The reversal of 231330123230 is 32321033132.

It is a junction number, because it is equal to n+sod(n) for n = 231330123196 and 231330123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330123239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98390 + ... + 687270.

It is an arithmetic number, because the mean of its divisors is an integer number (13146496209).

Almost surely, 2^231330123230 is an apocalyptic number.

231330123230 is a deficient number, since it is larger than the sum of its proper divisors (189357755458).

231330123230 is a wasteful number, since it uses less digits than its factorization.

231330123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589292.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231330123230 its reverse (32321033132), we get a palindrome (263651156362).

The spelling of 231330123230 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred twenty-three thousand, two hundred thirty".