1663363123 has 2 divisors, whose sum is σ = 1663363124. Its totient is φ = 1663363122.

The previous prime is 1663363103. The next prime is 1663363127. The reversal of 1663363123 is 3213633661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1663363123 - 2⁹ = 1663362611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1663363127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831681561 + 831681562.

It is an arithmetic number, because the mean of its divisors is an integer number (831681562).

Almost surely, 2^1663363123 is an apocalyptic number.

1663363123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1663363123 is an equidigital number, since it uses as much as digits as its factorization.

1663363123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 34.

The square root of 1663363123 is about 40784.3489956625. The cubic root of 1663363123 is about 1184.8472265320.

Adding to 1663363123 its reverse (3213633661), we get a palindrome (4876996784).

The spelling of 1663363123 in words is "one billion, six hundred sixty-three million, three hundred sixty-three thousand, one hundred twenty-three".