134123405443 has 2 divisors, whose sum is σ = 134123405444. Its totient is φ = 134123405442.

The previous prime is 134123405417. The next prime is 134123405473. The reversal of 134123405443 is 344504321431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134123405443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134123405399 and 134123405408.

It is not a weakly prime, because it can be changed into another prime (134123405473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67061702721 + 67061702722.

It is an arithmetic number, because the mean of its divisors is an integer number (67061702722).

Almost surely, 2^134123405443 is an apocalyptic number.

134123405443 is a deficient number, since it is larger than the sum of its proper divisors (1).

134123405443 is an equidigital number, since it uses as much as digits as its factorization.

134123405443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 134123405443 its reverse (344504321431), we get a palindrome (478627726874).

The spelling of 134123405443 in words is "one hundred thirty-four billion, one hundred twenty-three million, four hundred five thousand, four hundred forty-three".