23322223 has 2 divisors, whose sum is σ = 23322224. Its totient is φ = 23322222.

The previous prime is 23322197. The next prime is 23322241. The reversal of 23322223 is 32222332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23322223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23322223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23322263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661111 + 11661112.

It is an arithmetic number, because the mean of its divisors is an integer number (11661112).

Almost surely, 2^23322223 is an apocalyptic number.

23322223 is a deficient number, since it is larger than the sum of its proper divisors (1).

23322223 is an equidigital number, since it uses as much as digits as its factorization.

23322223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 19.

The square root of 23322223 is about 4829.3087497074. The cubic root of 23322223 is about 285.7086009464.

Adding to 23322223 its reverse (32222332), we get a palindrome (55544555).

The spelling of 23322223 in words is "twenty-three million, three hundred twenty-two thousand, two hundred twenty-three".