2311223 has 2 divisors, whose sum is σ = 2311224. Its totient is φ = 2311222.

The previous prime is 2311193. The next prime is 2311237. The reversal of 2311223 is 3221132.

It is a happy number.

It is an a-pointer prime, because the next prime (2311237) can be obtained adding 2311223 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311223 - 2⁶ = 2311159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311198 and 2311207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155611 + 1155612.

It is an arithmetic number, because the mean of its divisors is an integer number (1155612).

2^2311223 is an apocalyptic number.

2311223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311223 is an equidigital number, since it uses as much as digits as its factorization.

2311223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 14.

The square root of 2311223 is about 1520.2706995795. The cubic root of 2311223 is about 132.2149657712.

Adding to 2311223 its reverse (3221132), we get a palindrome (5532355).

Subtracting 2311223 from its reverse (3221132), we obtain a palindrome (909909).

The spelling of 2311223 in words is "two million, three hundred eleven thousand, two hundred twenty-three".