18003080234 has 4 divisors (see below), whose sum is σ = 27004620354. Its totient is φ = 9001540116.

The previous prime is 18003080209. The next prime is 18003080299. The reversal of 18003080234 is 43208030081.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12209587009 + 5793493225 = 110497^2 + 76115^2 .

It is a super-2 number, since 2×18003080234² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18003080197 and 18003080206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500770057 + ... + 4500770060.

Almost surely, 2^18003080234 is an apocalyptic number.

18003080234 is a deficient number, since it is larger than the sum of its proper divisors (9001540120).

18003080234 is an equidigital number, since it uses as much as digits as its factorization.

18003080234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001540119.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 18003080234 in words is "eighteen billion, three million, eighty thousand, two hundred thirty-four".