134423124243 has 4 divisors (see below), whose sum is σ = 179230832328. Its totient is φ = 89615416160.

The previous prime is 134423124233. The next prime is 134423124257. The reversal of 134423124243 is 342421324431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134423124243 - 2⁵ = 134423124211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134423124223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22403854038 + ... + 22403854043.

It is an arithmetic number, because the mean of its divisors is an integer number (44807708082).

Almost surely, 2^134423124243 is an apocalyptic number.

134423124243 is a deficient number, since it is larger than the sum of its proper divisors (44807708085).

134423124243 is an equidigital number, since it uses as much as digits as its factorization.

134423124243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44807708084.

The product of its digits is 55296, while the sum is 33.

Adding to 134423124243 its reverse (342421324431), we get a palindrome (476844448674).

The spelling of 134423124243 in words is "one hundred thirty-four billion, four hundred twenty-three million, one hundred twenty-four thousand, two hundred forty-three".