1004323203 has 24 divisors (see below), whose sum is σ = 1563455712. Its totient is φ = 617580288.

The previous prime is 1004323181. The next prime is 1004323211. The reversal of 1004323203 is 3023234001.

It is not a de Polignac number, because 1004323203 - 2²⁰ = 1003274627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004323303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216850 + ... + 221432.

It is an arithmetic number, because the mean of its divisors is an integer number (65143988).

Almost surely, 2^1004323203 is an apocalyptic number.

1004323203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1004323203 is a deficient number, since it is larger than the sum of its proper divisors (559132509).

1004323203 is a wasteful number, since it uses less digits than its factorization.

1004323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475 (or 6472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1004323203 is about 31691.0587232424. The cubic root of 1004323203 is about 1001.4389959640.

Adding to 1004323203 its reverse (3023234001), we get a palindrome (4027557204).

The spelling of 1004323203 in words is "one billion, four million, three hundred twenty-three thousand, two hundred three".