1000321222223 has 4 divisors (see below), whose sum is σ = 1001388801840. Its totient is φ = 999253642608.

The previous prime is 1000321222177. The next prime is 1000321222249. The reversal of 1000321222223 is 3222221230001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000321222223 - 2²⁸ = 1000052786767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000321222195 and 1000321222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000321222253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533788403 + ... + 533790276.

It is an arithmetic number, because the mean of its divisors is an integer number (250347200460).

Almost surely, 2^{1000321222223} is an apocalyptic number.

1000321222223 is a deficient number, since it is larger than the sum of its proper divisors (1067579617).

1000321222223 is an equidigital number, since it uses as much as digits as its factorization.

1000321222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067579616.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1000321222223 its reverse (3222221230001), we get a palindrome (4222542452224).

The spelling of 1000321222223 in words is "one trillion, three hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-three".