126223 has 2 divisors, whose sum is σ = 126224. Its totient is φ = 126222.

The previous prime is 126211. The next prime is 126227. The reversal of 126223 is 322621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126223 - 2⁹ = 125711 is a prime.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 126197 and 126206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63111 + 63112.

It is an arithmetic number, because the mean of its divisors is an integer number (63112).

2¹²⁶²²³ is an apocalyptic number.

126223 is a deficient number, since it is larger than the sum of its proper divisors (1).

126223 is an equidigital number, since it uses as much as digits as its factorization.

126223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 16.

The square root of 126223 is about 355.2787637898. The cubic root of 126223 is about 50.1625377239.

Adding to 126223 its reverse (322621), we get a palindrome (448844).

The spelling of 126223 in words is "one hundred twenty-six thousand, two hundred twenty-three".