123633980263 has 2 divisors, whose sum is σ = 123633980264. Its totient is φ = 123633980262.

The previous prime is 123633980257. The next prime is 123633980279. The reversal of 123633980263 is 362089336321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123633980263 - 2⁹ = 123633979751 is a prime.

It is a super-2 number, since 2×123633980263² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123633980963) 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, 61816990131 + 61816990132.

It is an arithmetic number, because the mean of its divisors is an integer number (61816990132).

Almost surely, 2^123633980263 is an apocalyptic number.

123633980263 is a deficient number, since it is larger than the sum of its proper divisors (1).

123633980263 is an equidigital number, since it uses as much as digits as its factorization.

123633980263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 123633980263 in words is "one hundred twenty-three billion, six hundred thirty-three million, nine hundred eighty thousand, two hundred sixty-three".