2212123203023 has 4 divisors (see below), whose sum is σ = 2212596591648. Its totient is φ = 2211649814400.

The previous prime is 2212123203013. The next prime is 2212123203067. The reversal of 2212123203023 is 3203023212122.

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 2212123203023 - 2¹⁴ = 2212123186639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212123203023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212123203013) 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 3 ways as a sum of consecutive naturals, for example, 236687303 + ... + 236696648.

It is an arithmetic number, because the mean of its divisors is an integer number (553149147912).

Almost surely, 2^{2212123203023} is an apocalyptic number.

2212123203023 is a deficient number, since it is larger than the sum of its proper divisors (473388625).

2212123203023 is an equidigital number, since it uses as much as digits as its factorization.

2212123203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473388624.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2212123203023 its reverse (3203023212122), we get a palindrome (5415146415145).

Subtracting 2212123203023 from its reverse (3203023212122), we obtain a palindrome (990900009099).

The spelling of 2212123203023 in words is "two trillion, two hundred twelve billion, one hundred twenty-three million, two hundred three thousand, twenty-three".