123038532 has 72 divisors (see below), whose sum is σ = 326726400. Its totient is φ = 38985408.

The previous prime is 123038519. The next prime is 123038549. The reversal of 123038532 is 235830321.

123038532 is a `hidden beast` number, since 123 + 0 + 3 + 8 + 532 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 123038496 and 123038505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69069 + ... + 70827.

Almost surely, 2^123038532 is an apocalyptic number.

123038532 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 123038532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163363200).

123038532 is an abundant number, since it is smaller than the sum of its proper divisors (203687868).

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

123038532 is a wasteful number, since it uses less digits than its factorization.

123038532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 123038532 is about 11092.2735270998. The cubic root of 123038532 is about 497.3709093279.

Adding to 123038532 its reverse (235830321), we get a palindrome (358868853).

The spelling of 123038532 in words is "one hundred twenty-three million, thirty-eight thousand, five hundred thirty-two".