23305223 has 2 divisors, whose sum is σ = 23305224. Its totient is φ = 23305222.

The previous prime is 23305201. The next prime is 23305231. The reversal of 23305223 is 32250332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23305223 - 2⁶ = 23305159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23305195 and 23305204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23325223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11652611 + 11652612.

It is an arithmetic number, because the mean of its divisors is an integer number (11652612).

Almost surely, 2^23305223 is an apocalyptic number.

23305223 is a deficient number, since it is larger than the sum of its proper divisors (1).

23305223 is an equidigital number, since it uses as much as digits as its factorization.

23305223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 23305223 is about 4827.5483425855. The cubic root of 23305223 is about 285.6391646435.

Adding to 23305223 its reverse (32250332), we get a palindrome (55555555).

The spelling of 23305223 in words is "twenty-three million, three hundred five thousand, two hundred twenty-three".