123522663 has 32 divisors (see below), whose sum is σ = 191054592. Its totient is φ = 70156800.

The previous prime is 123522661. The next prime is 123522691. The reversal of 123522663 is 366225321.

It is not a de Polignac number, because 123522663 - 2¹ = 123522661 is a prime.

It is a super-2 number, since 2×123522663² = 30515696549223138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 123522663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123522661) 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 in 31 ways as a sum of consecutive naturals, for example, 235920 + ... + 236442.

It is an arithmetic number, because the mean of its divisors is an integer number (5970456).

Almost surely, 2^123522663 is an apocalyptic number.

123522663 is a deficient number, since it is larger than the sum of its proper divisors (67531929).

123522663 is a wasteful number, since it uses less digits than its factorization.

123522663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975.

The product of its digits is 12960, while the sum is 30.

The square root of 123522663 is about 11114.0749952481. The cubic root of 123522663 is about 498.0224058886.

Adding to 123522663 its reverse (366225321), we get a palindrome (489747984).

The spelling of 123522663 in words is "one hundred twenty-three million, five hundred twenty-two thousand, six hundred sixty-three".