223111000243 has 32 divisors (see below), whose sum is σ = 239815872000. Its totient is φ = 207208108800.

The previous prime is 223111000213. The next prime is 223111000247. The reversal of 223111000243 is 342000111322.

It is a happy number.

It is not a de Polignac number, because 223111000243 - 2⁹ = 223110999731 is a prime.

It is a super-3 number, since 3×223111000243³ (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 223111000243.

It is not an unprimeable number, because it can be changed into a prime (223111000247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17303743 + ... + 17316631.

It is an arithmetic number, because the mean of its divisors is an integer number (7494246000).

Almost surely, 2^223111000243 is an apocalyptic number.

223111000243 is a deficient number, since it is larger than the sum of its proper divisors (16704871757).

223111000243 is a wasteful number, since it uses less digits than its factorization.

223111000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 223111000243 its reverse (342000111322), we get a palindrome (565111111565).

The spelling of 223111000243 in words is "two hundred twenty-three billion, one hundred eleven million, two hundred forty-three", and thus it is an aban number.