1002321020223 has 24 divisors (see below), whose sum is σ = 1515996064128. Its totient is φ = 661726482264.

The previous prime is 1002321020179. The next prime is 1002321020251. The reversal of 1002321020223 is 3220201232001.

1002321020223 is a `hidden beast` number, since 100 + 2 + 321 + 0 + 20 + 223 = 666.

It is not a de Polignac number, because 1002321020223 - 2¹⁰ = 1002321019199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002321020196 and 1002321020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002321020923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19998165 + ... + 20048222.

It is an arithmetic number, because the mean of its divisors is an integer number (63166502672).

Almost surely, 2^{1002321020223} is an apocalyptic number.

1002321020223 is a deficient number, since it is larger than the sum of its proper divisors (513675043905).

1002321020223 is an equidigital number, since it uses as much as digits as its factorization.

1002321020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40046505 (or 40046493 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1002321020223 its reverse (3220201232001), we get a palindrome (4222522252224).

The spelling of 1002321020223 in words is "one trillion, two billion, three hundred twenty-one million, twenty thousand, two hundred twenty-three".