126133223 has 2 divisors, whose sum is σ = 126133224. Its totient is φ = 126133222.

The previous prime is 126133201. The next prime is 126133243. The reversal of 126133223 is 322331621.

It is a strong prime.

It is an emirp because it is prime and its reverse (322331621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126133223 - 2⁶ = 126133159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126133243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63066611 + 63066612.

It is an arithmetic number, because the mean of its divisors is an integer number (63066612).

Almost surely, 2^126133223 is an apocalyptic number.

126133223 is a deficient number, since it is larger than the sum of its proper divisors (1).

126133223 is an equidigital number, since it uses as much as digits as its factorization.

126133223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 126133223 is about 11230.9048166210. The cubic root of 126133223 is about 501.5064208345.

Adding to 126133223 its reverse (322331621), we get a palindrome (448464844).

The spelling of 126133223 in words is "one hundred twenty-six million, one hundred thirty-three thousand, two hundred twenty-three".