223230521441 has 2 divisors, whose sum is σ = 223230521442. Its totient is φ = 223230521440.

The previous prime is 223230521429. The next prime is 223230521471. The reversal of 223230521441 is 144125032322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222874633216 + 355888225 = 472096^2 + 18865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223230521441 is a prime.

It is a super-3 number, since 3×223230521441³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223230521401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111615260720 + 111615260721.

It is an arithmetic number, because the mean of its divisors is an integer number (111615260721).

Almost surely, 2^223230521441 is an apocalyptic number.

It is an amenable number.

223230521441 is a deficient number, since it is larger than the sum of its proper divisors (1).

223230521441 is an equidigital number, since it uses as much as digits as its factorization.

223230521441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 223230521441 its reverse (144125032322), we get a palindrome (367355553763).

The spelling of 223230521441 in words is "two hundred twenty-three billion, two hundred thirty million, five hundred twenty-one thousand, four hundred forty-one".