133123302223 has 4 divisors (see below), whose sum is σ = 134004913648. Its totient is φ = 132241690800.

The previous prime is 133123302209. The next prime is 133123302227. The reversal of 133123302223 is 322203321331.

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 133123302223 - 2⁹ = 133123301711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133123302227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440805486 + ... + 440805787.

It is an arithmetic number, because the mean of its divisors is an integer number (33501228412).

Almost surely, 2^133123302223 is an apocalyptic number.

133123302223 is a deficient number, since it is larger than the sum of its proper divisors (881611425).

133123302223 is an equidigital number, since it uses as much as digits as its factorization.

133123302223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881611424.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133123302223 its reverse (322203321331), we get a palindrome (455326623554).

The spelling of 133123302223 in words is "one hundred thirty-three billion, one hundred twenty-three million, three hundred two thousand, two hundred twenty-three".