223235421081061 has 2 divisors, whose sum is σ = 223235421081062. Its totient is φ = 223235421081060.

The previous prime is 223235421080921. The next prime is 223235421081131. The reversal of 223235421081061 is 160180124532322.

223235421081061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204717976904961 + 18517444176100 = 14307969^2 + 4303190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223235421081061 is a prime.

It is a super-3 number, since 3×223235421081061³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223235421081161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111617710540530 + 111617710540531.

It is an arithmetic number, because the mean of its divisors is an integer number (111617710540531).

Almost surely, 2^{223235421081061} is an apocalyptic number.

It is an amenable number.

223235421081061 is a deficient number, since it is larger than the sum of its proper divisors (1).

223235421081061 is an equidigital number, since it uses as much as digits as its factorization.

223235421081061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 223235421081061 in words is "two hundred twenty-three trillion, two hundred thirty-five billion, four hundred twenty-one million, eighty-one thousand, sixty-one".