1003003243 has 12 divisors (see below), whose sum is σ = 1103241384. Its totient is φ = 911187200.

The previous prime is 1003003241. The next prime is 1003003271. The reversal of 1003003243 is 3423003001.

It is not a de Polignac number, because 1003003243 - 2¹ = 1003003241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003003241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331608 + ... + 334618.

It is an arithmetic number, because the mean of its divisors is an integer number (91936782).

Almost surely, 2^1003003243 is an apocalyptic number.

1003003243 is a deficient number, since it is larger than the sum of its proper divisors (100238141).

1003003243 is a wasteful number, since it uses less digits than its factorization.

1003003243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1003003243 is about 31670.2264437752. The cubic root of 1003003243 is about 1001.0000805056. Note that the first 4 decimals are identical.

Adding to 1003003243 its reverse (3423003001), we get a palindrome (4426006244).

The spelling of 1003003243 in words is "one billion, three million, three thousand, two hundred forty-three".