123231232 has 44 divisors (see below), whose sum is σ = 260869680. Its totient is φ = 57982976.

The previous prime is 123231223. The next prime is 123231233. The reversal of 123231232 is 232132321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13869 + ... + 20947.

Almost surely, 2^123231232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130434840).

123231232 is an abundant number, since it is smaller than the sum of its proper divisors (137638448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123231232 is an equidigital number, since it uses as much as digits as its factorization.

123231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116 (or 7098 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 123231232 is about 11100.9563551975. The cubic root of 123231232 is about 497.6304306890.

Adding to 123231232 its reverse (232132321), we get a palindrome (355363553).

The spelling of 123231232 in words is "one hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty-two".