231232300 has 72 divisors (see below), whose sum is σ = 572213376. Its totient is φ = 80348160.

The previous prime is 231232291. The next prime is 231232307. The reversal of 231232300 is 3232132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231232307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16869 + ... + 27331.

It is an arithmetic number, because the mean of its divisors is an integer number (7947408).

Almost surely, 2^231232300 is an apocalyptic number.

231232300 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 231232300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286106688).

231232300 is an abundant number, since it is smaller than the sum of its proper divisors (340981076).

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

231232300 is a wasteful number, since it uses less digits than its factorization.

231232300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10507 (or 10500 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 231232300 is about 15206.3243421939. The cubic root of 231232300 is about 613.7848524888.

Adding to 231232300 its reverse (3232132), we get a palindrome (234464432).

The spelling of 231232300 in words is "two hundred thirty-one million, two hundred thirty-two thousand, three hundred".