223430304211181 has 2 divisors, whose sum is σ = 223430304211182. Its totient is φ = 223430304211180.

The previous prime is 223430304211091. The next prime is 223430304211183. The reversal of 223430304211181 is 181112403034322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223336137469225 + 94166741956 = 14944435^2 + 306866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223430304211181 is a prime.

It is a super-2 number, since 2×223430304211181² (a number of 29 digits) contains 22 as substring.

Together with 223430304211183, 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 (223430304211183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111715152105590 + 111715152105591.

It is an arithmetic number, because the mean of its divisors is an integer number (111715152105591).

Almost surely, 2^{223430304211181} is an apocalyptic number.

It is an amenable number.

223430304211181 is a deficient number, since it is larger than the sum of its proper divisors (1).

223430304211181 is an equidigital number, since it uses as much as digits as its factorization.

223430304211181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 223430304211181 in words is "two hundred twenty-three trillion, four hundred thirty billion, three hundred four million, two hundred eleven thousand, one hundred eighty-one".