180673923 has 8 divisors (see below), whose sum is σ = 247409488. Its totient is φ = 117193824.

The previous prime is 180673919. The next prime is 180673937. The reversal of 180673923 is 329376081.

180673923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 180673923 - 2² = 180673919 is a prime.

It is the 13442-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180653923) by changing a digit.

It is a nontrivial repunit in base 13441.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813736 + ... + 813957.

It is an arithmetic number, because the mean of its divisors is an integer number (30926186).

Almost surely, 2^180673923 is an apocalyptic number.

180673923 is a deficient number, since it is larger than the sum of its proper divisors (66735565).

180673923 is a wasteful number, since it uses less digits than its factorization.

180673923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627733.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 180673923 is about 13441.5000278987. The cubic root of 180673923 is about 565.3253906602.

The spelling of 180673923 in words is "one hundred eighty million, six hundred seventy-three thousand, nine hundred twenty-three".