2323621 has 4 divisors (see below), whose sum is σ = 2424672. Its totient is φ = 2222572.

The previous prime is 2323613. The next prime is 2323631. The reversal of 2323621 is 1263232.

2323621 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, 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 2323621 - 2³ = 2323613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323631) 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, 50491 + ... + 50536.

It is an arithmetic number, because the mean of its divisors is an integer number (606168).

2^2323621 is an apocalyptic number.

It is an amenable number.

2323621 is a deficient number, since it is larger than the sum of its proper divisors (101051).

2323621 is a wasteful number, since it uses less digits than its factorization.

2323621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101050.

The product of its digits is 432, while the sum is 19.

The square root of 2323621 is about 1524.3428092132. The cubic root of 2323621 is about 132.4509560984.

Adding to 2323621 its reverse (1263232), we get a palindrome (3586853).

The spelling of 2323621 in words is "two million, three hundred twenty-three thousand, six hundred twenty-one".