1223356027 has 2 divisors, whose sum is σ = 1223356028. Its totient is φ = 1223356026.

The previous prime is 1223356019. The next prime is 1223356031. The reversal of 1223356027 is 7206533221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223356027 - 2³ = 1223356019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223356027.

It is not a weakly prime, because it can be changed into another prime (1223356427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611678013 + 611678014.

It is an arithmetic number, because the mean of its divisors is an integer number (611678014).

Almost surely, 2^1223356027 is an apocalyptic number.

1223356027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223356027 is an equidigital number, since it uses as much as digits as its factorization.

1223356027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1223356027 is about 34976.5067866990. The cubic root of 1223356027 is about 1069.5086185244.

Adding to 1223356027 its reverse (7206533221), we get a palindrome (8429889248).

The spelling of 1223356027 in words is "one billion, two hundred twenty-three million, three hundred fifty-six thousand, twenty-seven".