123500432 has 40 divisors (see below), whose sum is σ = 272393280. Its totient is φ = 53694080.

The previous prime is 123500411. The next prime is 123500479. The reversal of 123500432 is 234005321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11207 + ... + 19302.

It is an arithmetic number, because the mean of its divisors is an integer number (6809832).

Almost surely, 2^123500432 is an apocalyptic number.

It is an amenable number.

123500432 is an abundant number, since it is smaller than the sum of its proper divisors (148892848).

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

123500432 is a wasteful number, since it uses less digits than its factorization.

123500432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551 (or 30545 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 123500432 is about 11113.0748220283. The cubic root of 123500432 is about 497.9925268901.

Adding to 123500432 its reverse (234005321), we get a palindrome (357505753).

The spelling of 123500432 in words is "one hundred twenty-three million, five hundred thousand, four hundred thirty-two".