1003323040000 has 90 divisors (see below), whose sum is σ = 2502607870070. Its totient is φ = 401329152000.

The previous prime is 1003323039977. The next prime is 1003323040007. The reversal of 1003323040000 is 403233001.

It can be written as a sum of positive squares in 5 ways, for example, as 419675934976 + 583647105024 = 647824^2 + 763968^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1003323040007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2975385 + ... + 3295384.

Almost surely, 2^{1003323040000} is an apocalyptic number.

1003323040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003323040000 is an abundant number, since it is smaller than the sum of its proper divisors (1499284830070).

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

1003323040000 is an frugal number, since it uses more digits than its factorization.

1003323040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270805 (or 6270776 counting only the distinct ones).

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

Adding to 1003323040000 its reverse (403233001), we get a palindrome (1003726273001).

The spelling of 1003323040000 in words is "one trillion, three billion, three hundred twenty-three million, forty thousand".