134223443 has 2 divisors, whose sum is σ = 134223444. Its totient is φ = 134223442.

The previous prime is 134223437. The next prime is 134223473. The reversal of 134223443 is 344322431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134223443 - 2¹⁸ = 133961299 is a prime.

It is not a weakly prime, because it can be changed into another prime (134223403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67111721 + 67111722.

It is an arithmetic number, because the mean of its divisors is an integer number (67111722).

Almost surely, 2^134223443 is an apocalyptic number.

134223443 is a deficient number, since it is larger than the sum of its proper divisors (1).

134223443 is an equidigital number, since it uses as much as digits as its factorization.

134223443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 26.

The square root of 134223443 is about 11585.4841504358. The cubic root of 134223443 is about 512.0072668952.

Adding to 134223443 its reverse (344322431), we get a palindrome (478545874).

The spelling of 134223443 in words is "one hundred thirty-four million, two hundred twenty-three thousand, four hundred forty-three".