123134232 has 128 divisors (see below), whose sum is σ = 354816000. Its totient is φ = 35320320.

The previous prime is 123134197. The next prime is 123134237. The reversal of 123134232 is 232431321.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 123134199 and 123134208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123134237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280269 + ... + 280707.

It is an arithmetic number, because the mean of its divisors is an integer number (2772000).

Almost surely, 2^123134232 is an apocalyptic number.

123134232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123134232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177408000).

123134232 is an abundant number, since it is smaller than the sum of its proper divisors (231681768).

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

123134232 is a wasteful number, since it uses less digits than its factorization.

123134232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 517 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 123134232 is about 11096.5865021636. The cubic root of 123134232 is about 497.4998284555.

Adding to 123134232 its reverse (232431321), we get a palindrome (355565553).

The spelling of 123134232 in words is "one hundred twenty-three million, one hundred thirty-four thousand, two hundred thirty-two".