180430473 has 4 divisors (see below), whose sum is σ = 240573968. Its totient is φ = 120286980.

The previous prime is 180430457. The next prime is 180430483. The reversal of 180430473 is 374034081.

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 180430473 - 2⁴ = 180430457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 180430473.

It is not an unprimeable number, because it can be changed into a prime (180430483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30071743 + ... + 30071748.

It is an arithmetic number, because the mean of its divisors is an integer number (60143492).

Almost surely, 2^180430473 is an apocalyptic number.

It is an amenable number.

180430473 is a deficient number, since it is larger than the sum of its proper divisors (60143495).

180430473 is an equidigital number, since it uses as much as digits as its factorization.

180430473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60143494.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 180430473 is about 13432.4410663140. The cubic root of 180430473 is about 565.0713596662.

The spelling of 180430473 in words is "one hundred eighty million, four hundred thirty thousand, four hundred seventy-three".