1000321321223 has 16 divisors (see below), whose sum is σ = 1163162154240. Its totient is φ = 842583145536.

The previous prime is 1000321321201. The next prime is 1000321321247. The reversal of 1000321321223 is 3221231230001.

It is a cyclic number.

It is not a de Polignac number, because 1000321321223 - 2¹⁴ = 1000321304839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000321321195 and 1000321321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000321321253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4823765 + ... + 5026862.

It is an arithmetic number, because the mean of its divisors is an integer number (72697634640).

Almost surely, 2^{1000321321223} is an apocalyptic number.

1000321321223 is a deficient number, since it is larger than the sum of its proper divisors (162840833017).

1000321321223 is an equidigital number, since it uses as much as digits as its factorization.

1000321321223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9850886.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1000321321223 its reverse (3221231230001), we get a palindrome (4221552551224).

The spelling of 1000321321223 in words is "one trillion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty-three".