223013209273 has 2 divisors, whose sum is σ = 223013209274. Its totient is φ = 223013209272.

The previous prime is 223013209271. The next prime is 223013209301. The reversal of 223013209273 is 372902310322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201791420944 + 21221788329 = 449212^2 + 145677^2 .

It is a cyclic number.

It is not a de Polignac number, because 223013209273 - 2¹ = 223013209271 is a prime.

Together with 223013209271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (223013209271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111506604636 + 111506604637.

It is an arithmetic number, because the mean of its divisors is an integer number (111506604637).

Almost surely, 2^223013209273 is an apocalyptic number.

It is an amenable number.

223013209273 is a deficient number, since it is larger than the sum of its proper divisors (1).

223013209273 is an equidigital number, since it uses as much as digits as its factorization.

223013209273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

Adding to 223013209273 its reverse (372902310322), we get a palindrome (595915519595).

The spelling of 223013209273 in words is "two hundred twenty-three billion, thirteen million, two hundred nine thousand, two hundred seventy-three".