1000321011223 has 16 divisors (see below), whose sum is σ = 1017098920000. Its totient is φ = 983629910016.

The previous prime is 1000321011211. The next prime is 1000321011229. The reversal of 1000321011223 is 3221101230001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000321011223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000321011197 and 1000321011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000321011229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41655886 + ... + 41679892.

It is an arithmetic number, because the mean of its divisors is an integer number (63568682500).

Almost surely, 2^{1000321011223} is an apocalyptic number.

1000321011223 is a deficient number, since it is larger than the sum of its proper divisors (16777908777).

1000321011223 is a wasteful number, since it uses less digits than its factorization.

1000321011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25786.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1000321011223 its reverse (3221101230001), we get a palindrome (4221422241224).

The spelling of 1000321011223 in words is "one trillion, three hundred twenty-one million, eleven thousand, two hundred twenty-three".