180523133 has 8 divisors (see below), whose sum is σ = 206519040. Its totient is φ = 154578960.

The previous prime is 180523103. The next prime is 180523139. The reversal of 180523133 is 331325081.

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

It is a cyclic number.

It is not a de Polignac number, because 180523133 - 2⁶ = 180523069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180523139) 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 7 ways as a sum of consecutive naturals, for example, 5138 + ... + 19683.

It is an arithmetic number, because the mean of its divisors is an integer number (25814880).

Almost surely, 2^180523133 is an apocalyptic number.

It is an amenable number.

180523133 is a deficient number, since it is larger than the sum of its proper divisors (25995907).

180523133 is a wasteful number, since it uses less digits than its factorization.

180523133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25867.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 180523133 is about 13435.8897360763. The cubic root of 180523133 is about 565.1680738387.

The spelling of 180523133 in words is "one hundred eighty million, five hundred twenty-three thousand, one hundred thirty-three".