2003867243 has 16 divisors (see below), whose sum is σ = 2421323520. Its totient is φ = 1620007776.

The previous prime is 2003867237. The next prime is 2003867267. The reversal of 2003867243 is 3427683002.

It is a cyclic number.

It is not a de Polignac number, because 2003867243 - 2⁸ = 2003866987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003867213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996 + ... + 63377.

It is an arithmetic number, because the mean of its divisors is an integer number (151332720).

Almost surely, 2^2003867243 is an apocalyptic number.

2003867243 is a deficient number, since it is larger than the sum of its proper divisors (417456277).

2003867243 is a wasteful number, since it uses less digits than its factorization.

2003867243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66626.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 2003867243 is about 44764.5757603040. The cubic root of 2003867243 is about 1260.7325971878.

The spelling of 2003867243 in words is "two billion, three million, eight hundred sixty-seven thousand, two hundred forty-three".