133423041 has 4 divisors (see below), whose sum is σ = 177897392. Its totient is φ = 88948692.

The previous prime is 133423027. The next prime is 133423051. The reversal of 133423041 is 140324331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133423041 - 2⁵ = 133423009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133422999 and 133423017.

It is not an unprimeable number, because it can be changed into a prime (133423001) 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 3 ways as a sum of consecutive naturals, for example, 22237171 + ... + 22237176.

It is an arithmetic number, because the mean of its divisors is an integer number (44474348).

Almost surely, 2^133423041 is an apocalyptic number.

It is an amenable number.

133423041 is a deficient number, since it is larger than the sum of its proper divisors (44474351).

133423041 is an equidigital number, since it uses as much as digits as its factorization.

133423041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44474350.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133423041 is about 11550.8891865518. The cubic root of 133423041 is about 510.9875022953.

Adding to 133423041 its reverse (140324331), we get a palindrome (273747372).

The spelling of 133423041 in words is "one hundred thirty-three million, four hundred twenty-three thousand, forty-one".