221343101323 has 8 divisors (see below), whose sum is σ = 231576134400. Its totient is φ = 211160853288.

The previous prime is 221343101321. The next prime is 221343101359. The reversal of 221343101323 is 323101343122.

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

It is a cyclic number.

It is not a de Polignac number, because 221343101323 - 2¹ = 221343101321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221343101321) 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, 12687343 + ... + 12704776.

It is an arithmetic number, because the mean of its divisors is an integer number (28947016800).

Almost surely, 2^221343101323 is an apocalyptic number.

221343101323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221343101323 is a deficient number, since it is larger than the sum of its proper divisors (10233033077).

221343101323 is a wasteful number, since it uses less digits than its factorization.

221343101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25392521.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 221343101323 its reverse (323101343122), we get a palindrome (544444444445).

The spelling of 221343101323 in words is "two hundred twenty-one billion, three hundred forty-three million, one hundred one thousand, three hundred twenty-three".