103123816 has 8 divisors (see below), whose sum is σ = 193357170. Its totient is φ = 51561904.

The previous prime is 103123807. The next prime is 103123817. The reversal of 103123816 is 618321301.

It can be written as a sum of positive squares in only one way, i.e., 83356900 + 19766916 = 9130^2 + 4446^2 .

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

It is not an unprimeable number, because it can be changed into a prime (103123817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6445231 + ... + 6445246.

Almost surely, 2^103123816 is an apocalyptic number.

It is an amenable number.

103123816 is a deficient number, since it is larger than the sum of its proper divisors (90233354).

103123816 is a wasteful number, since it uses less digits than its factorization.

103123816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890483 (or 12890479 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 103123816 is about 10154.9897094975. The cubic root of 103123816 is about 468.9425691516.

The spelling of 103123816 in words is "one hundred three million, one hundred twenty-three thousand, eight hundred sixteen".