231123211233210 has 48 divisors (see below), whose sum is σ = 632547736011360. Its totient is φ = 58389021784800.

The previous prime is 231123211233181. The next prime is 231123211233283. The reversal of 231123211233210 is 12332112321132.

231123211233210 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 2 + 3 + 211 + 233 + 210 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67579884616 + ... + 67579888035.

It is an arithmetic number, because the mean of its divisors is an integer number (13178077833570).

Almost surely, 2^{231123211233210} is an apocalyptic number.

231123211233210 is an abundant number, since it is smaller than the sum of its proper divisors (401424524778150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231123211233210 is a wasteful number, since it uses less digits than its factorization.

231123211233210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135159772683 (or 135159772680 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 231123211233210 its reverse (12332112321132), we get a palindrome (243455323554342).

The spelling of 231123211233210 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, two hundred eleven million, two hundred thirty-three thousand, two hundred ten".