1233563 has 2 divisors, whose sum is σ = 1233564. Its totient is φ = 1233562.

The previous prime is 1233539. The next prime is 1233569. The reversal of 1233563 is 3653321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1233563 - 2¹⁴ = 1217179 is a prime.

It is a super-3 number, since 3×1233563³ = 5631255833303353641, which contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1233569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616781 + 616782.

It is an arithmetic number, because the mean of its divisors is an integer number (616782).

2^1233563 is an apocalyptic number.

1233563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233563 is an equidigital number, since it uses as much as digits as its factorization.

1233563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 23.

The square root of 1233563 is about 1110.6588134976. The cubic root of 1233563 is about 107.2474837444.

Adding to 1233563 its reverse (3653321), we get a palindrome (4886884).

The spelling of 1233563 in words is "one million, two hundred thirty-three thousand, five hundred sixty-three".