133123302321123 has 4 divisors (see below), whose sum is σ = 177497736428168. Its totient is φ = 88748868214080.

The previous prime is 133123302321077. The next prime is 133123302321173. The reversal of 133123302321123 is 321123203321331.

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

It is not a de Polignac number, because 133123302321123 - 2²⁹ = 133122765450211 is a prime.

It is a super-2 number, since 2×133123302321123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133123302321173) 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, 22187217053518 + ... + 22187217053523.

It is an arithmetic number, because the mean of its divisors is an integer number (44374434107042).

Almost surely, 2^{133123302321123} is an apocalyptic number.

133123302321123 is a deficient number, since it is larger than the sum of its proper divisors (44374434107045).

133123302321123 is an equidigital number, since it uses as much as digits as its factorization.

133123302321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44374434107044.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 133123302321123 its reverse (321123203321331), we get a palindrome (454246505642454).

The spelling of 133123302321123 in words is "one hundred thirty-three trillion, one hundred twenty-three billion, three hundred two million, three hundred twenty-one thousand, one hundred twenty-three".