1223235263 has 2 divisors, whose sum is σ = 1223235264. Its totient is φ = 1223235262.

The previous prime is 1223235253. The next prime is 1223235353. The reversal of 1223235263 is 3625323221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223235263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223235203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611617631 + 611617632.

It is an arithmetic number, because the mean of its divisors is an integer number (611617632).

Almost surely, 2^1223235263 is an apocalyptic number.

1223235263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223235263 is an equidigital number, since it uses as much as digits as its factorization.

1223235263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 1223235263 is about 34974.7803853005. The cubic root of 1223235263 is about 1069.4734250658.

Adding to 1223235263 its reverse (3625323221), we get a palindrome (4848558484).

The spelling of 1223235263 in words is "one billion, two hundred twenty-three million, two hundred thirty-five thousand, two hundred sixty-three".