133423241 has 8 divisors (see below), whose sum is σ = 153283584. Its totient is φ = 113762880.

The previous prime is 133423211. The next prime is 133423267. The reversal of 133423241 is 142324331.

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

It is not a de Polignac number, because 133423241 - 2¹⁰ = 133422217 is a prime.

It is a super-2 number, since 2×133423241² = 35603522477888162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133423201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48560 + ... + 51233.

It is an arithmetic number, because the mean of its divisors is an integer number (19160448).

Almost surely, 2^133423241 is an apocalyptic number.

It is an amenable number.

133423241 is a deficient number, since it is larger than the sum of its proper divisors (19860343).

133423241 is an equidigital number, since it uses as much as digits as its factorization.

133423241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99991.

The product of its digits is 1728, while the sum is 23.

The square root of 133423241 is about 11550.8978438908. The cubic root of 133423241 is about 510.9877576171.

Adding to 133423241 its reverse (142324331), we get a palindrome (275747572).

The spelling of 133423241 in words is "one hundred thirty-three million, four hundred twenty-three thousand, two hundred forty-one".