231200232 has 128 divisors (see below), whose sum is σ = 635904000. Its totient is φ = 69822720.

The previous prime is 231200231. The next prime is 231200243. The reversal of 231200232 is 232002132.

It is not an unprimeable number, because it can be changed into a prime (231200231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009494 + ... + 1009722.

It is an arithmetic number, because the mean of its divisors is an integer number (4968000).

Almost surely, 2^231200232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231200232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317952000).

231200232 is an abundant number, since it is smaller than the sum of its proper divisors (404703768).

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

231200232 is a wasteful number, since it uses less digits than its factorization.

231200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 231200232 is about 15205.2698759345. The cubic root of 231200232 is about 613.7564773258.

Adding to 231200232 its reverse (232002132), we get a palindrome (463202364).

The spelling of 231200232 in words is "two hundred thirty-one million, two hundred thousand, two hundred thirty-two".