223011344635455 has 64 divisors (see below), whose sum is σ = 361827648000000. Its totient is φ = 117281316221952.

The previous prime is 223011344635451. The next prime is 223011344635463. The reversal of 223011344635455 is 554536443110322.

It is not a de Polignac number, because 223011344635455 - 2² = 223011344635451 is a prime.

It is a super-3 number, since 3×223011344635455³ (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 (223011344635451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5039896171 + ... + 5039940419.

It is an arithmetic number, because the mean of its divisors is an integer number (5653557000000).

Almost surely, 2^{223011344635455} is an apocalyptic number.

223011344635455 is a deficient number, since it is larger than the sum of its proper divisors (138816303364545).

223011344635455 is a wasteful number, since it uses less digits than its factorization.

223011344635455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60768.

The product of its (nonzero) digits is 5184000, while the sum is 48.

Adding to 223011344635455 its reverse (554536443110322), we get a palindrome (777547787745777).

The spelling of 223011344635455 in words is "two hundred twenty-three trillion, eleven billion, three hundred forty-four million, six hundred thirty-five thousand, four hundred fifty-five".