1002203023344 has 20 divisors (see below), whose sum is σ = 2589024477096. Its totient is φ = 334067674432.

The previous prime is 1002203023331. The next prime is 1002203023387. The reversal of 1002203023344 is 4433203022001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10439614779 + ... + 10439614874.

Almost surely, 2^{1002203023344} is an apocalyptic number.

It is an amenable number.

1002203023344 is an abundant number, since it is smaller than the sum of its proper divisors (1586821453752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002203023344 is a wasteful number, since it uses less digits than its factorization.

1002203023344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20879229664 (or 20879229658 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1002203023344 its reverse (4433203022001), we get a palindrome (5435406045345).

The spelling of 1002203023344 in words is "one trillion, two billion, two hundred three million, twenty-three thousand, three hundred forty-four".