223113240374464 has 112 divisors (see below), whose sum is σ = 486296839155456. Its totient is φ = 100721684044800.

The previous prime is 223113240374461. The next prime is 223113240374471. The reversal of 223113240374464 is 464473042311322.

It is a happy number.

It is a super-3 number, since 3×223113240374464³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223113240374461) 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, 136861822 + ... + 138482434.

It is an arithmetic number, because the mean of its divisors is an integer number (4341936063888).

Almost surely, 2^{223113240374464} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223113240374464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243148419577728).

223113240374464 is an abundant number, since it is smaller than the sum of its proper divisors (263183598780992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223113240374464 is a wasteful number, since it uses less digits than its factorization.

223113240374464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621974 (or 1621964 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 46.

Adding to 223113240374464 its reverse (464473042311322), we get a palindrome (687586282685786).

The spelling of 223113240374464 in words is "two hundred twenty-three trillion, one hundred thirteen billion, two hundred forty million, three hundred seventy-four thousand, four hundred sixty-four".