223212221023231 has 8 divisors (see below), whose sum is σ = 243504383299200. Its totient is φ = 202920082444440.

The previous prime is 223212221023153. The next prime is 223212221023241. The reversal of 223212221023231 is 132320122212322.

223212221023231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-223212221023231 is a prime.

It is a super-3 number, since 3×223212221023231³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 223212221023231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223212221023241) 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, 17955910 + ... + 27727948.

It is an arithmetic number, because the mean of its divisors is an integer number (30438047912400).

Almost surely, 2^{223212221023231} is an apocalyptic number.

223212221023231 is a deficient number, since it is larger than the sum of its proper divisors (20292162275969).

223212221023231 is a wasteful number, since it uses less digits than its factorization.

223212221023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848589.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 223212221023231 its reverse (132320122212322), we get a palindrome (355532343235553).

The spelling of 223212221023231 in words is "two hundred twenty-three trillion, two hundred twelve billion, two hundred twenty-one million, twenty-three thousand, two hundred thirty-one".