133043223305 has 4 divisors (see below), whose sum is σ = 159651867972. Its totient is φ = 106434578640.

The previous prime is 133043223301. The next prime is 133043223319. The reversal of 133043223305 is 503322340331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503322340331 = 401 ⋅1255167931.

It can be written as a sum of positive squares in 2 ways, for example, as 76423496704 + 56619726601 = 276448^2 + 237949^2 .

It is not a de Polignac number, because 133043223305 - 2² = 133043223301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133043223301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13304322326 + ... + 13304322335.

It is an arithmetic number, because the mean of its divisors is an integer number (39912966993).

Almost surely, 2^133043223305 is an apocalyptic number.

It is an amenable number.

133043223305 is a deficient number, since it is larger than the sum of its proper divisors (26608644667).

133043223305 is an equidigital number, since it uses as much as digits as its factorization.

133043223305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26608644666.

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 133043223305 its reverse (503322340331), we get a palindrome (636365563636).

The spelling of 133043223305 in words is "one hundred thirty-three billion, forty-three million, two hundred twenty-three thousand, three hundred five".