223221101443073 has 2 divisors, whose sum is σ = 223221101443074. Its totient is φ = 223221101443072.

The previous prime is 223221101443001. The next prime is 223221101443127. The reversal of 223221101443073 is 370344101122322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161827733649409 + 61393367793664 = 12721153^2 + 7835392^2 .

It is a cyclic number.

It is not a de Polignac number, because 223221101443073 - 2²² = 223221097248769 is a prime.

It is a super-3 number, since 3×223221101443073³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223221101413073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111610550721536 + 111610550721537.

It is an arithmetic number, because the mean of its divisors is an integer number (111610550721537).

Almost surely, 2^{223221101443073} is an apocalyptic number.

It is an amenable number.

223221101443073 is a deficient number, since it is larger than the sum of its proper divisors (1).

223221101443073 is an equidigital number, since it uses as much as digits as its factorization.

223221101443073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 223221101443073 its reverse (370344101122322), we get a palindrome (593565202565395).

The spelling of 223221101443073 in words is "two hundred twenty-three trillion, two hundred twenty-one billion, one hundred one million, four hundred forty-three thousand, seventy-three".