123632123 has 8 divisors (see below), whose sum is σ = 127936896. Its totient is φ = 119347200.

The previous prime is 123632101. The next prime is 123632147. The reversal of 123632123 is 321236321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123632123 - 2¹² = 123628027 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123632023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8315 + ... + 17787.

It is an arithmetic number, because the mean of its divisors is an integer number (15992112).

Almost surely, 2^123632123 is an apocalyptic number.

123632123 is a deficient number, since it is larger than the sum of its proper divisors (4304773).

123632123 is an equidigital number, since it uses as much as digits as its factorization.

123632123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9925.

The product of its digits is 1296, while the sum is 23.

The square root of 123632123 is about 11118.9982912131. The cubic root of 123632123 is about 498.1694705019.

Adding to 123632123 its reverse (321236321), we get a palindrome (444868444).

The spelling of 123632123 in words is "one hundred twenty-three million, six hundred thirty-two thousand, one hundred twenty-three".