223143384816 has 80 divisors (see below), whose sum is σ = 698731825920. Its totient is φ = 67619206080.

The previous prime is 223143384791. The next prime is 223143384817. The reversal of 223143384816 is 618483341322.

223143384816 is a `hidden beast` number, since 2 + 23 + 143 + 3 + 8 + 481 + 6 = 666.

It is a super-3 number, since 3×223143384816³ (a number of 35 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223143384817) 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, 23474140 + ... + 23483643.

It is an arithmetic number, because the mean of its divisors is an integer number (8734147824).

Almost surely, 2^223143384816 is an apocalyptic number.

It is an amenable number.

223143384816 is an abundant number, since it is smaller than the sum of its proper divisors (475588441104).

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

223143384816 is a wasteful number, since it uses less digits than its factorization.

223143384816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46957811 (or 46957799 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The spelling of 223143384816 in words is "two hundred twenty-three billion, one hundred forty-three million, three hundred eighty-four thousand, eight hundred sixteen".