121323 has 8 divisors (see below), whose sum is σ = 166288. Its totient is φ = 78624.

The previous prime is 121321. The next prime is 121327. The reversal of 121323 is 323121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121323 - 2¹ = 121321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121299 and 121308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436 + ... + 657.

It is an arithmetic number, because the mean of its divisors is an integer number (20786).

2¹²¹³²³ is an apocalyptic number.

121323 is a deficient number, since it is larger than the sum of its proper divisors (44965).

121323 is a wasteful number, since it uses less digits than its factorization.

121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

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

The square root of 121323 is about 348.3145130482. The cubic root of 121323 is about 49.5048459698.

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

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

The spelling of 121323 in words is "one hundred twenty-one thousand, three hundred twenty-three", and thus it is an iban number.