231230420223 has 32 divisors (see below), whose sum is σ = 354074173440. Its totient is φ = 132749940960.

The previous prime is 231230420173. The next prime is 231230420233. The reversal of 231230420223 is 322024032132.

It is not a de Polignac number, because 231230420223 - 2¹⁸ = 231230158079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231230420193 and 231230420202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231230420233) 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 31 ways as a sum of consecutive naturals, for example, 10602336 + ... + 10624122.

It is an arithmetic number, because the mean of its divisors is an integer number (11064817920).

Almost surely, 2^231230420223 is an apocalyptic number.

231230420223 is a deficient number, since it is larger than the sum of its proper divisors (122843753217).

231230420223 is a wasteful number, since it uses less digits than its factorization.

231230420223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38747.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 231230420223 its reverse (322024032132), we get a palindrome (553254452355).

The spelling of 231230420223 in words is "two hundred thirty-one billion, two hundred thirty million, four hundred twenty thousand, two hundred twenty-three".