232321 has 4 divisors (see below), whose sum is σ = 237312. Its totient is φ = 227332.

The previous prime is 232307. The next prime is 232333. The reversal of 232321 is 123232.

232321 = T₇₅ + T₇₆ + ... + T₁₂₁.

It is a happy number.

232321 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232321 - 2⁹ = 231809 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (59328).

2²³²³²¹ is an apocalyptic number.

It is an amenable number.

232321 is a deficient number, since it is larger than the sum of its proper divisors (4991).

232321 is an equidigital number, since it uses as much as digits as its factorization.

232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990.

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

The square root of 232321 is about 481.9968879568. The cubic root of 232321 is about 61.4746629276.

Adding to 232321 its reverse (123232), we get a palindrome (355553).

It can be divided in two parts, 2 and 32321, that added together give a palindrome (32323).

The spelling of 232321 in words is "two hundred thirty-two thousand, three hundred twenty-one".