1002323203203 has 64 divisors (see below), whose sum is σ = 1595687869440. Its totient is φ = 547851313152.

The previous prime is 1002323203121. The next prime is 1002323203229. The reversal of 1002323203203 is 3023023232001.

It is not a de Polignac number, because 1002323203203 - 2⁹ = 1002323202691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1002323203203.

It is not an unprimeable number, because it can be changed into a prime (1002323203103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7164103 + ... + 7302671.

It is an arithmetic number, because the mean of its divisors is an integer number (24932622960).

Almost surely, 2^{1002323203203} is an apocalyptic number.

1002323203203 is a deficient number, since it is larger than the sum of its proper divisors (593364666237).

1002323203203 is a wasteful number, since it uses less digits than its factorization.

1002323203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138796.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 1002323203203 its reverse (3023023232001), we get a palindrome (4025346435204).

The spelling of 1002323203203 in words is "one trillion, two billion, three hundred twenty-three million, two hundred three thousand, two hundred three".