123633667 has 2 divisors, whose sum is σ = 123633668. Its totient is φ = 123633666.

The previous prime is 123633659. The next prime is 123633701. The reversal of 123633667 is 766336321.

It is a weak prime.

It is an emirp because it is prime and its reverse (766336321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123633667 - 2³ = 123633659 is a prime.

It is not a weakly prime, because it can be changed into another prime (123633617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61816833 + 61816834.

It is an arithmetic number, because the mean of its divisors is an integer number (61816834).

Almost surely, 2^123633667 is an apocalyptic number.

123633667 is a deficient number, since it is larger than the sum of its proper divisors (1).

123633667 is an equidigital number, since it uses as much as digits as its factorization.

123633667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 123633667 is about 11119.0677217112. The cubic root of 123633667 is about 498.1715443169.

Adding to 123633667 its reverse (766336321), we get a palindrome (889969988).

The spelling of 123633667 in words is "one hundred twenty-three million, six hundred thirty-three thousand, six hundred sixty-seven".