1223201327 has 2 divisors, whose sum is σ = 1223201328. Its totient is φ = 1223201326.

The previous prime is 1223201311. The next prime is 1223201351. The reversal of 1223201327 is 7231023221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223201327 - 2⁴ = 1223201311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223201377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611600663 + 611600664.

It is an arithmetic number, because the mean of its divisors is an integer number (611600664).

Almost surely, 2^1223201327 is an apocalyptic number.

1223201327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223201327 is an equidigital number, since it uses as much as digits as its factorization.

1223201327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1223201327 is about 34974.2952323560. The cubic root of 1223201327 is about 1069.4635349035.

Adding to 1223201327 its reverse (7231023221), we get a palindrome (8454224548).

The spelling of 1223201327 in words is "one billion, two hundred twenty-three million, two hundred one thousand, three hundred twenty-seven".