133301123 has 12 divisors (see below), whose sum is σ = 141466248. Its totient is φ = 125568960.

The previous prime is 133301117. The next prime is 133301143. The reversal of 133301123 is 321103331.

It is not a de Polignac number, because 133301123 - 2⁴ = 133301107 is a prime.

It is a super-2 number, since 2×133301123² = 35538378786122258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133301143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33563 + ... + 37323.

It is an arithmetic number, because the mean of its divisors is an integer number (11788854).

Almost surely, 2^133301123 is an apocalyptic number.

133301123 is a deficient number, since it is larger than the sum of its proper divisors (8165125).

133301123 is an equidigital number, since it uses as much as digits as its factorization.

133301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874 (or 3851 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133301123 is about 11545.6105512008. The cubic root of 133301123 is about 510.8318131455.

Adding to 133301123 its reverse (321103331), we get a palindrome (454404454).

The spelling of 133301123 in words is "one hundred thirty-three million, three hundred one thousand, one hundred twenty-three".