2421323 has 4 divisors (see below), whose sum is σ = 2425920. Its totient is φ = 2416728.

The previous prime is 2421319. The next prime is 2421329. The reversal of 2421323 is 3231242.

2421323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2421323 - 2² = 2421319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (606480).

2^2421323 is an apocalyptic number.

2421323 is a deficient number, since it is larger than the sum of its proper divisors (4597).

2421323 is an equidigital number, since it uses as much as digits as its factorization.

2421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596.

The product of its digits is 288, while the sum is 17.

The square root of 2421323 is about 1556.0600888141. The cubic root of 2421323 is about 134.2819303618.

Adding to 2421323 its reverse (3231242), we get a palindrome (5652565).

It can be divided in two parts, 2421 and 323, that added together give a cube (2744 = 14³).

The spelling of 2421323 in words is "two million, four hundred twenty-one thousand, three hundred twenty-three".