123632 has 10 divisors (see below), whose sum is σ = 239568. Its totient is φ = 61808.

The previous prime is 123631. The next prime is 123637. The reversal of 123632 is 236321.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 123632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3848 + ... + 3879.

2¹²³⁶³² is an apocalyptic number.

It is an amenable number.

123632 is a deficient number, since it is larger than the sum of its proper divisors (115936).

123632 is an equidigital number, since it uses as much as digits as its factorization.

123632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735 (or 7729 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 123632 is about 351.6134240896. The cubic root of 123632 is about 49.8169305294.

Adding to 123632 its reverse (236321), we get a palindrome (359953).

The spelling of 123632 in words is "one hundred twenty-three thousand, six hundred thirty-two".