223712267197 has 2 divisors, whose sum is σ = 223712267198. Its totient is φ = 223712267196.

The previous prime is 223712267179. The next prime is 223712267267. The reversal of 223712267197 is 791762217322.

It is a happy number.

223712267197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (223712267179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223035174756 + 677092441 = 472266^2 + 26021^2 .

It is a cyclic number.

It is not a de Polignac number, because 223712267197 - 2¹⁹ = 223711742909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223712267197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223712267147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111856133598 + 111856133599.

It is an arithmetic number, because the mean of its divisors is an integer number (111856133599).

Almost surely, 2^223712267197 is an apocalyptic number.

It is an amenable number.

223712267197 is a deficient number, since it is larger than the sum of its proper divisors (1).

223712267197 is an equidigital number, since it uses as much as digits as its factorization.

223712267197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 49.

The spelling of 223712267197 in words is "two hundred twenty-three billion, seven hundred twelve million, two hundred sixty-seven thousand, one hundred ninety-seven".