23321223 has 8 divisors (see below), whose sum is σ = 34550000. Its totient is φ = 15547464.

The previous prime is 23321213. The next prime is 23321231. The reversal of 23321223 is 32212332.

It is a happy number.

It is not a de Polignac number, because 23321223 - 2¹² = 23317127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23321196 and 23321205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321213) 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, 431848 + ... + 431901.

It is an arithmetic number, because the mean of its divisors is an integer number (4318750).

Almost surely, 2^23321223 is an apocalyptic number.

23321223 is a deficient number, since it is larger than the sum of its proper divisors (11228777).

23321223 is an equidigital number, since it uses as much as digits as its factorization.

23321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863758 (or 863752 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 23321223 is about 4829.2052141113. The cubic root of 23321223 is about 285.7045173922.

Adding to 23321223 its reverse (32212332), we get a palindrome (55533555).

The spelling of 23321223 in words is "twenty-three million, three hundred twenty-one thousand, two hundred twenty-three".