321232 has 20 divisors (see below), whose sum is σ = 659556. Its totient is φ = 151040.

The previous prime is 321227. The next prime is 321239. The reversal of 321232 is 232123.

It is a happy number.

321232 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 274576 + 46656 = 524^2 + 216^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321232.

It is not an unprimeable number, because it can be changed into a prime (321239) by changing a digit.

321232 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319 + ... + 862.

2³²¹²³² is an apocalyptic number.

It is an amenable number.

321232 is an abundant number, since it is smaller than the sum of its proper divisors (338324).

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

321232 is a wasteful number, since it uses less digits than its factorization.

321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1200 counting only the distinct ones).

The product of its digits is 72, while the sum is 13.

The square root of 321232 is about 566.7733232960. The cubic root of 321232 is about 68.4867042232.

Adding to 321232 its reverse (232123), we get a palindrome (553355).

It can be divided in two parts, 32123 and 2, that multiplied together give a palindrome (64246).

The spelling of 321232 in words is "three hundred twenty-one thousand, two hundred thirty-two".