212444222233423 has 4 divisors (see below), whose sum is σ = 212445576029728. Its totient is φ = 212442868437120.

The previous prime is 212444222233381. The next prime is 212444222233447. The reversal of 212444222233423 is 324332222444212.

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 212444222233423 - 2¹⁷ = 212444222102351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212444225233423) 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, 676662738 + ... + 676976623.

It is an arithmetic number, because the mean of its divisors is an integer number (53111394007432).

Almost surely, 2^{212444222233423} is an apocalyptic number.

212444222233423 is a deficient number, since it is larger than the sum of its proper divisors (1353796305).

212444222233423 is a wasteful number, since it uses less digits than its factorization.

212444222233423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353796304.

The product of its digits is 884736, while the sum is 40.

Adding to 212444222233423 its reverse (324332222444212), we get a palindrome (536776444677635).

The spelling of 212444222233423 in words is "two hundred twelve trillion, four hundred forty-four billion, two hundred twenty-two million, two hundred thirty-three thousand, four hundred twenty-three".