323121 has 16 divisors (see below), whose sum is σ = 459648. Its totient is φ = 201600.

The previous prime is 323101. The next prime is 323123. The reversal of 323121 is 121323.

It is a happy number.

It is not a de Polignac number, because 323121 - 2¹⁰ = 322097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323097 and 323106.

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 323121.

It is not an unprimeable number, because it can be changed into a prime (323123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4516 + ... + 4586.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2³²³¹²¹ is an apocalyptic number.

It is an amenable number.

323121 is a deficient number, since it is larger than the sum of its proper divisors (136527).

323121 is a wasteful number, since it uses less digits than its factorization.

323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its digits is 36, while the sum is 12.

The square root of 323121 is about 568.4373316382. The cubic root of 323121 is about 68.6206869529.

Adding to 323121 its reverse (121323), we get a palindrome (444444).

It can be divided in two parts, 323 and 121, that added together give a palindrome (444).

The spelling of 323121 in words is "three hundred twenty-three thousand, one hundred twenty-one", and thus it is an iban number.