223323218677453 has 2 divisors, whose sum is σ = 223323218677454. Its totient is φ = 223323218677452.

The previous prime is 223323218677369. The next prime is 223323218677529. The reversal of 223323218677453 is 354776812323322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217861939461609 + 5461279215844 = 14760147^2 + 2336938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223323218677453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223323210677453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111661609338726 + 111661609338727.

It is an arithmetic number, because the mean of its divisors is an integer number (111661609338727).

Almost surely, 2^{223323218677453} is an apocalyptic number.

It is an amenable number.

223323218677453 is a deficient number, since it is larger than the sum of its proper divisors (1).

223323218677453 is an equidigital number, since it uses as much as digits as its factorization.

223323218677453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 58.

The spelling of 223323218677453 in words is "two hundred twenty-three trillion, three hundred twenty-three billion, two hundred eighteen million, six hundred seventy-seven thousand, four hundred fifty-three".