123632131 has 8 divisors (see below), whose sum is σ = 141821280. Its totient is φ = 105574848.

The previous prime is 123632101. The next prime is 123632147. The reversal of 123632131 is 131236321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123632131 is a prime.

It is a super-2 number, since 2×123632131² = 30569807631202322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123632101) 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, 30946 + ... + 34711.

It is an arithmetic number, because the mean of its divisors is an integer number (17727660).

Almost surely, 2^123632131 is an apocalyptic number.

123632131 is a deficient number, since it is larger than the sum of its proper divisors (18189149).

123632131 is an equidigital number, since it uses as much as digits as its factorization.

123632131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65933.

The product of its digits is 648, while the sum is 22.

The square root of 123632131 is about 11118.9986509577. The cubic root of 123632131 is about 498.1694812471.

Adding to 123632131 its reverse (131236321), we get a palindrome (254868452).

The spelling of 123632131 in words is "one hundred twenty-three million, six hundred thirty-two thousand, one hundred thirty-one".