1233143663 has 2 divisors, whose sum is σ = 1233143664. Its totient is φ = 1233143662.

The previous prime is 1233143647. The next prime is 1233143669. The reversal of 1233143663 is 3663413321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1233143663 - 2⁴ = 1233143647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233143669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616571831 + 616571832.

It is an arithmetic number, because the mean of its divisors is an integer number (616571832).

Almost surely, 2^1233143663 is an apocalyptic number.

1233143663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233143663 is an equidigital number, since it uses as much as digits as its factorization.

1233143663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 32.

The square root of 1233143663 is about 35116.1453323112. The cubic root of 1233143663 is about 1072.3532980899.

Adding to 1233143663 its reverse (3663413321), we get a palindrome (4896556984).

The spelling of 1233143663 in words is "one billion, two hundred thirty-three million, one hundred forty-three thousand, six hundred sixty-three".