23228311 has 2 divisors, whose sum is σ = 23228312. Its totient is φ = 23228310.

The previous prime is 23228281. The next prime is 23228323. The reversal of 23228311 is 11382232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23228311 - 2¹⁹ = 22704023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23228351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11614155 + 11614156.

It is an arithmetic number, because the mean of its divisors is an integer number (11614156).

Almost surely, 2^23228311 is an apocalyptic number.

23228311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23228311 is an equidigital number, since it uses as much as digits as its factorization.

23228311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 23228311 is about 4819.5758112099. The cubic root of 23228311 is about 285.3245957974.

The spelling of 23228311 in words is "twenty-three million, two hundred twenty-eight thousand, three hundred eleven".