12423553205223 has 16 divisors (see below), whose sum is σ = 17416852437600. Its totient is φ = 7865675287680.

The previous prime is 12423553205191. The next prime is 12423553205233. The reversal of 12423553205223 is 32250235532421.

It is a happy number.

It is not a de Polignac number, because 12423553205223 - 2⁵ = 12423553205191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423553205233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170482088 + ... + 1170492701.

It is an arithmetic number, because the mean of its divisors is an integer number (1088553277350).

Almost surely, 2^{12423553205223} is an apocalyptic number.

12423553205223 is a deficient number, since it is larger than the sum of its proper divisors (4993299232377).

12423553205223 is a wasteful number, since it uses less digits than its factorization.

12423553205223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340974882.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 12423553205223 its reverse (32250235532421), we get a palindrome (44673788737644).

The spelling of 12423553205223 in words is "twelve trillion, four hundred twenty-three billion, five hundred fifty-three million, two hundred five thousand, two hundred twenty-three".