221200303323 has 8 divisors (see below), whose sum is σ = 294935914000. Its totient is φ = 147465780768.

The previous prime is 221200303211. The next prime is 221200303361. The reversal of 221200303323 is 323303002122.

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

It is not a de Polignac number, because 221200303323 - 2¹³ = 221200295131 is a prime.

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 221200303323.

It is not an unprimeable number, because it can be changed into a prime (221200373323) 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, 622953 + ... + 911301.

It is an arithmetic number, because the mean of its divisors is an integer number (36866989250).

Almost surely, 2^221200303323 is an apocalyptic number.

221200303323 is a deficient number, since it is larger than the sum of its proper divisors (73735610677).

221200303323 is a wasteful number, since it uses less digits than its factorization.

221200303323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544061.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 221200303323 its reverse (323303002122), we get a palindrome (544503305445).

The spelling of 221200303323 in words is "two hundred twenty-one billion, two hundred million, three hundred three thousand, three hundred twenty-three".