223135523105606 has 16 divisors (see below), whose sum is σ = 338098453505280. Its totient is φ = 110436569812800.

The previous prime is 223135523105603. The next prime is 223135523105639. The reversal of 223135523105606 is 606501325531322.

It is a happy number.

It is a super-3 number, since 3×223135523105606³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223135523105603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131959991 + ... + 133640226.

It is an arithmetic number, because the mean of its divisors is an integer number (21131153344080).

Almost surely, 2^{223135523105606} is an apocalyptic number.

223135523105606 is a deficient number, since it is larger than the sum of its proper divisors (114962930399674).

223135523105606 is a wasteful number, since it uses less digits than its factorization.

223135523105606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265604479.

The product of its (nonzero) digits is 972000, while the sum is 44.

Adding to 223135523105606 its reverse (606501325531322), we get a palindrome (829636848636928).

The spelling of 223135523105606 in words is "two hundred twenty-three trillion, one hundred thirty-five billion, five hundred twenty-three million, one hundred five thousand, six hundred six".