231233123200 has 96 divisors (see below), whose sum is σ = 576459477000. Its totient is φ = 91644549120.

The previous prime is 231233123183. The next prime is 231233123213. The reversal of 231233123200 is 2321332132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17331 + ... + 680269.

Almost surely, 2^231233123200 is an apocalyptic number.

231233123200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231233123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288229738500).

231233123200 is an abundant number, since it is smaller than the sum of its proper divisors (345226353800).

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

231233123200 is a wasteful number, since it uses less digits than its factorization.

231233123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663072 (or 663055 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231233123200 its reverse (2321332132), we get a palindrome (233554455332).

The spelling of 231233123200 in words is "two hundred thirty-one billion, two hundred thirty-three million, one hundred twenty-three thousand, two hundred".