180312623309 has 32 divisors (see below), whose sum is σ = 223743657984. Its totient is φ = 141495906240.

The previous prime is 180312623287. The next prime is 180312623329. The reversal of 180312623309 is 903326213081.

It is a de Polignac number, because none of the positive numbers 2^k-180312623309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180312623329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29835242 + ... + 29841284.

It is an arithmetic number, because the mean of its divisors is an integer number (6991989312).

Almost surely, 2^180312623309 is an apocalyptic number.

It is an amenable number.

180312623309 is a deficient number, since it is larger than the sum of its proper divisors (43431034675).

180312623309 is a wasteful number, since it uses less digits than its factorization.

180312623309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 180312623309 in words is "one hundred eighty billion, three hundred twelve million, six hundred twenty-three thousand, three hundred nine".