1823018128 has 10 divisors (see below), whose sum is σ = 3532097654. Its totient is φ = 911509056.

The previous prime is 1823018077. The next prime is 1823018189. The reversal of 1823018128 is 8218103281.

It can be written as a sum of positive squares in only one way, i.e., 1800474624 + 22543504 = 42432^2 + 4748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1823018093 and 1823018102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56969301 + ... + 56969332.

Almost surely, 2^1823018128 is an apocalyptic number.

It is an amenable number.

1823018128 is a deficient number, since it is larger than the sum of its proper divisors (1709079526).

1823018128 is a wasteful number, since it uses less digits than its factorization.

1823018128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113938641 (or 113938635 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 1823018128 is about 42696.8163684367. The cubic root of 1823018128 is about 1221.6036708844.

The spelling of 1823018128 in words is "one billion, eight hundred twenty-three million, eighteen thousand, one hundred twenty-eight".