123263663 has 2 divisors, whose sum is σ = 123263664. Its totient is φ = 123263662.

The previous prime is 123263653. The next prime is 123263689. The reversal of 123263663 is 366362321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123263663 - 2¹⁴ = 123247279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123263603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61631831 + 61631832.

It is an arithmetic number, because the mean of its divisors is an integer number (61631832).

Almost surely, 2^123263663 is an apocalyptic number.

123263663 is a deficient number, since it is larger than the sum of its proper divisors (1).

123263663 is an equidigital number, since it uses as much as digits as its factorization.

123263663 is an odious number, because the sum of its binary digits is odd.

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

The square root of 123263663 is about 11102.4169891065. The cubic root of 123263663 is about 497.6740809787.

The spelling of 123263663 in words is "one hundred twenty-three million, two hundred sixty-three thousand, six hundred sixty-three".