223075275321557 has 2 divisors, whose sum is σ = 223075275321558. Its totient is φ = 223075275321556.

The previous prime is 223075275321551. The next prime is 223075275321559. The reversal of 223075275321557 is 755123572570322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173208078009316 + 49867197312241 = 13160854^2 + 7061671^2 .

It is a cyclic number.

It is not a de Polignac number, because 223075275321557 - 2³⁴ = 223058095452373 is a prime.

It is a super-3 number, since 3×223075275321557³ (a number of 44 digits) contains 333 as substring.

Together with 223075275321559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223075275321551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111537637660778 + 111537637660779.

It is an arithmetic number, because the mean of its divisors is an integer number (111537637660779).

Almost surely, 2^{223075275321557} is an apocalyptic number.

It is an amenable number.

223075275321557 is a deficient number, since it is larger than the sum of its proper divisors (1).

223075275321557 is an equidigital number, since it uses as much as digits as its factorization.

223075275321557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870000, while the sum is 56.

The spelling of 223075275321557 in words is "two hundred twenty-three trillion, seventy-five billion, two hundred seventy-five million, three hundred twenty-one thousand, five hundred fifty-seven".