103123312 has 20 divisors (see below), whose sum is σ = 200266200. Its totient is φ = 51441728.

The previous prime is 103123297. The next prime is 103123337. The reversal of 103123312 is 213321301.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (10013310).

Almost surely, 2^103123312 is an apocalyptic number.

It is an amenable number.

103123312 is a deficient number, since it is larger than the sum of its proper divisors (97142888).

103123312 is a wasteful number, since it uses less digits than its factorization.

103123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15000 (or 14994 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 103123312 is about 10154.9648940801. The cubic root of 103123312 is about 468.9418051915.

Adding to 103123312 its reverse (213321301), we get a palindrome (316444613).

The spelling of 103123312 in words is "one hundred three million, one hundred twenty-three thousand, three hundred twelve".