223085506543 has 8 divisors (see below), whose sum is σ = 223205158400. Its totient is φ = 222965894808.

The previous prime is 223085506519. The next prime is 223085506549. The reversal of 223085506543 is 345605580322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223085506543 is a prime.

It is a super-3 number, since 3×223085506543³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223085506543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223085506549) 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, 20123080 + ... + 20134162.

It is an arithmetic number, because the mean of its divisors is an integer number (27900644800).

Almost surely, 2^223085506543 is an apocalyptic number.

223085506543 is a deficient number, since it is larger than the sum of its proper divisors (119651857).

223085506543 is a wasteful number, since it uses less digits than its factorization.

223085506543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20061.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 223085506543 in words is "two hundred twenty-three billion, eighty-five million, five hundred six thousand, five hundred forty-three".