2663365123 has 2 divisors, whose sum is σ = 2663365124. Its totient is φ = 2663365122.

The previous prime is 2663365099. The next prime is 2663365153. The reversal of 2663365123 is 3215633662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2663365123 - 2⁵ = 2663365091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2663365153) 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, 1331682561 + 1331682562.

It is an arithmetic number, because the mean of its divisors is an integer number (1331682562).

Almost surely, 2^2663365123 is an apocalyptic number.

2663365123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663365123 is an equidigital number, since it uses as much as digits as its factorization.

2663365123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 37.

The square root of 2663365123 is about 51607.8009897729. The cubic root of 2663365123 is about 1386.1500217274.

Adding to 2663365123 its reverse (3215633662), we get a palindrome (5878998785).

The spelling of 2663365123 in words is "two billion, six hundred sixty-three million, three hundred sixty-five thousand, one hundred twenty-three".