2003992243 has 4 divisors (see below), whose sum is σ = 2186173368. Its totient is φ = 1821811120.

The previous prime is 2003992229. The next prime is 2003992247. The reversal of 2003992243 is 3422993002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2003992243 - 2²⁵ = 1970437811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003992199 and 2003992208.

It is not an unprimeable number, because it can be changed into a prime (2003992247) 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, 91090546 + ... + 91090567.

It is an arithmetic number, because the mean of its divisors is an integer number (546543342).

Almost surely, 2^2003992243 is an apocalyptic number.

2003992243 is a deficient number, since it is larger than the sum of its proper divisors (182181125).

2003992243 is a wasteful number, since it uses less digits than its factorization.

2003992243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182181124.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 2003992243 is about 44765.9719318145. The cubic root of 2003992243 is about 1260.7588112161.

The spelling of 2003992243 in words is "two billion, three million, nine hundred ninety-two thousand, two hundred forty-three".