232231356 has 144 divisors (see below), whose sum is σ = 717050880. Its totient is φ = 61862400.

The previous prime is 232231343. The next prime is 232231387. The reversal of 232231356 is 653132232.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 646705 + ... + 647063.

It is an arithmetic number, because the mean of its divisors is an integer number (4979520).

Almost surely, 2^232231356 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 232231356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358525440).

232231356 is an abundant number, since it is smaller than the sum of its proper divisors (484819524).

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

232231356 is a wasteful number, since it uses less digits than its factorization.

232231356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 539 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 232231356 is about 15239.1389520537. The cubic root of 232231356 is about 614.6675498461.

Adding to 232231356 its reverse (653132232), we get a palindrome (885363588).

The spelling of 232231356 in words is "two hundred thirty-two million, two hundred thirty-one thousand, three hundred fifty-six".