180423434 has 8 divisors (see below), whose sum is σ = 270832800. Its totient is φ = 90145836.

The previous prime is 180423427. The next prime is 180423437. The reversal of 180423434 is 434324081.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 180423397 and 180423406.

It is not an unprimeable number, because it can be changed into a prime (180423437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29444 + ... + 35039.

It is an arithmetic number, because the mean of its divisors is an integer number (33854100).

Almost surely, 2^180423434 is an apocalyptic number.

180423434 is a deficient number, since it is larger than the sum of its proper divisors (90409366).

180423434 is a wasteful number, since it uses less digits than its factorization.

180423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65884.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 180423434 is about 13432.1790488364. The cubic root of 180423434 is about 565.0640113343.

The spelling of 180423434 in words is "one hundred eighty million, four hundred twenty-three thousand, four hundred thirty-four".