7223128853 has 2 divisors, whose sum is σ = 7223128854. Its totient is φ = 7223128852.

The previous prime is 7223128813. The next prime is 7223128859. The reversal of 7223128853 is 3588213227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6628890724 + 594238129 = 81418^2 + 24377^2 .

It is an emirp because it is prime and its reverse (3588213227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7223128853 - 2¹⁰ = 7223127829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7223128853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7223128859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3611564426 + 3611564427.

It is an arithmetic number, because the mean of its divisors is an integer number (3611564427).

Almost surely, 2^7223128853 is an apocalyptic number.

It is an amenable number.

7223128853 is a deficient number, since it is larger than the sum of its proper divisors (1).

7223128853 is an equidigital number, since it uses as much as digits as its factorization.

7223128853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 7223128853 is about 84988.9925402108. The cubic root of 7223128853 is about 1933.0442130446.

The spelling of 7223128853 in words is "seven billion, two hundred twenty-three million, one hundred twenty-eight thousand, eight hundred fifty-three".