221234034323 has 4 divisors (see below), whose sum is σ = 221254746240. Its totient is φ = 221213322408.

The previous prime is 221234034299. The next prime is 221234034347. The reversal of 221234034323 is 323430432122.

221234034323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (221234034299) and next prime (221234034347).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221234034323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221234034823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10339928 + ... + 10361301.

It is an arithmetic number, because the mean of its divisors is an integer number (55313686560).

Almost surely, 2^221234034323 is an apocalyptic number.

221234034323 is a deficient number, since it is larger than the sum of its proper divisors (20711917).

221234034323 is a wasteful number, since it uses less digits than its factorization.

221234034323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20711916.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 221234034323 its reverse (323430432122), we get a palindrome (544664466445).

The spelling of 221234034323 in words is "two hundred twenty-one billion, two hundred thirty-four million, thirty-four thousand, three hundred twenty-three".