2303563 has 2 divisors, whose sum is σ = 2303564. Its totient is φ = 2303562.

The previous prime is 2303533. The next prime is 2303569. The reversal of 2303563 is 3653032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2303563 - 2⁵ = 2303531 is a prime.

It is a plaindrome in base 11.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (2303569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151781 + 1151782.

It is an arithmetic number, because the mean of its divisors is an integer number (1151782).

2^2303563 is an apocalyptic number.

2303563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303563 is an equidigital number, since it uses as much as digits as its factorization.

2303563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 2303563 is about 1517.7493205401. The cubic root of 2303563 is about 132.0687390678.

Adding to 2303563 its reverse (3653032), we get a palindrome (5956595).

The spelling of 2303563 in words is "two million, three hundred three thousand, five hundred sixty-three".