123531032 has 32 divisors (see below), whose sum is σ = 244944000. Its totient is φ = 58310400.

The previous prime is 123531011. The next prime is 123531043. The reversal of 123531032 is 230135321.

It is a junction number, because it is equal to n+sod(n) for n = 123530995 and 123531013.

It is a congruent 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, 4094 + ... + 16242.

It is an arithmetic number, because the mean of its divisors is an integer number (7654500).

Almost surely, 2^123531032 is an apocalyptic number.

It is an amenable number.

123531032 is a deficient number, since it is larger than the sum of its proper divisors (121412968).

123531032 is a wasteful number, since it uses less digits than its factorization.

123531032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12227 (or 12223 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 123531032 is about 11114.4514934386. The cubic root of 123531032 is about 498.0336530969.

Adding to 123531032 its reverse (230135321), we get a palindrome (353666353).

The spelling of 123531032 in words is "one hundred twenty-three million, five hundred thirty-one thousand, thirty-two".