1000122321223 has 2 divisors, whose sum is σ = 1000122321224. Its totient is φ = 1000122321222.

The previous prime is 1000122321221. The next prime is 1000122321257. The reversal of 1000122321223 is 3221232210001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000122321223 - 2¹ = 1000122321221 is a prime.

Together with 1000122321221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1000122321223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000122321221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500061160611 + 500061160612.

It is an arithmetic number, because the mean of its divisors is an integer number (500061160612).

Almost surely, 2^{1000122321223} is an apocalyptic number.

1000122321223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000122321223 is an equidigital number, since it uses as much as digits as its factorization.

1000122321223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1000122321223 its reverse (3221232210001), we get a palindrome (4221354531224).

The spelling of 1000122321223 in words is "one trillion, one hundred twenty-two million, three hundred twenty-one thousand, two hundred twenty-three".