221325353323 has 2 divisors, whose sum is σ = 221325353324. Its totient is φ = 221325353322.

The previous prime is 221325353303. The next prime is 221325353351. The reversal of 221325353323 is 323353523122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221325353323 is a prime.

It is not a weakly prime, because it can be changed into another prime (221325353303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110662676661 + 110662676662.

It is an arithmetic number, because the mean of its divisors is an integer number (110662676662).

Almost surely, 2^221325353323 is an apocalyptic number.

221325353323 is a deficient number, since it is larger than the sum of its proper divisors (1).

221325353323 is an equidigital number, since it uses as much as digits as its factorization.

221325353323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 34.

Adding to 221325353323 its reverse (323353523122), we get a palindrome (544678876445).

The spelling of 221325353323 in words is "two hundred twenty-one billion, three hundred twenty-five million, three hundred fifty-three thousand, three hundred twenty-three".