133117023 has 8 divisors (see below), whose sum is σ = 191142448. Its totient is φ = 81918144.

The previous prime is 133116979. The next prime is 133117043. The reversal of 133117023 is 320711331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133117023 - 2¹² = 133112927 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 (133117043) 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 7 ways as a sum of consecutive naturals, for example, 1706590 + ... + 1706667.

It is an arithmetic number, because the mean of its divisors is an integer number (23892806).

Almost surely, 2^133117023 is an apocalyptic number.

133117023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133117023 is a deficient number, since it is larger than the sum of its proper divisors (58025425).

133117023 is a wasteful number, since it uses less digits than its factorization.

133117023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413273.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 133117023 is about 11537.6350696319. The cubic root of 133117023 is about 510.5965376474.

Adding to 133117023 its reverse (320711331), we get a palindrome (453828354).

The spelling of 133117023 in words is "one hundred thirty-three million, one hundred seventeen thousand, twenty-three".