223988343191633 has 2 divisors, whose sum is σ = 223988343191634. Its totient is φ = 223988343191632.

The previous prime is 223988343191617. The next prime is 223988343191719. The reversal of 223988343191633 is 336191343889322.

It is a happy number.

223988343191633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181134129297664 + 42854213893969 = 13458608^2 + 6546313^2 .

It is a cyclic number.

It is not a de Polignac number, because 223988343191633 - 2⁴ = 223988343191617 is a prime.

It is a super-2 number, since 2×223988343191633² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223988343191633.

It is not a weakly prime, because it can be changed into another prime (223988343193633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111994171595816 + 111994171595817.

It is an arithmetic number, because the mean of its divisors is an integer number (111994171595817).

Almost surely, 2^{223988343191633} is an apocalyptic number.

It is an amenable number.

223988343191633 is a deficient number, since it is larger than the sum of its proper divisors (1).

223988343191633 is an equidigital number, since it uses as much as digits as its factorization.

223988343191633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120932352, while the sum is 65.

The spelling of 223988343191633 in words is "two hundred twenty-three trillion, nine hundred eighty-eight billion, three hundred forty-three million, one hundred ninety-one thousand, six hundred thirty-three".