103123928 has 8 divisors (see below), whose sum is σ = 193357380. Its totient is φ = 51561960.

The previous prime is 103123883. The next prime is 103123939. The reversal of 103123928 is 829321301.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×103123928² = 21269089052298368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103123928.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6445238 + ... + 6445253.

Almost surely, 2^103123928 is an apocalyptic number.

It is an amenable number.

103123928 is a deficient number, since it is larger than the sum of its proper divisors (90233452).

103123928 is a wasteful number, since it uses less digits than its factorization.

103123928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12890497 (or 12890493 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 103123928 is about 10154.9952240264. The cubic root of 103123928 is about 468.9427389202.

The spelling of 103123928 in words is "one hundred three million, one hundred twenty-three thousand, nine hundred twenty-eight".