223220646455153 has 6 divisors (see below), whose sum is σ = 235587441272994. Its totient is φ = 211472191378224.

The previous prime is 223220646455113. The next prime is 223220646455161. The reversal of 223220646455153 is 351554646022322.

223220646455153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 222767923369744 + 452723085409 = 14925412^2 + 672847^2 .

It is not a de Polignac number, because 223220646455153 - 2¹² = 223220646451057 is a prime.

It is a super-3 number, since 3×223220646455153³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223220646455113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309169870076 + ... + 309169870797.

It is an arithmetic number, because the mean of its divisors is an integer number (39264573545499).

Almost surely, 2^{223220646455153} is an apocalyptic number.

It is an amenable number.

223220646455153 is a deficient number, since it is larger than the sum of its proper divisors (12366794817841).

223220646455153 is an equidigital number, since it uses as much as digits as its factorization.

223220646455153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618339740911 (or 618339740892 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 50.

The spelling of 223220646455153 in words is "two hundred twenty-three trillion, two hundred twenty billion, six hundred forty-six million, four hundred fifty-five thousand, one hundred fifty-three".