868103123 has 4 divisors (see below), whose sum is σ = 868184760. Its totient is φ = 868021488.

The previous prime is 868103069. The next prime is 868103129. The reversal of 868103123 is 321301868.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 868103123 - 2⁸ = 868102867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 868103123.

It is not an unprimeable number, because it can be changed into a prime (868103129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21965 + ... + 47102.

It is an arithmetic number, because the mean of its divisors is an integer number (217046190).

Almost surely, 2^868103123 is an apocalyptic number.

868103123 is a deficient number, since it is larger than the sum of its proper divisors (81637).

868103123 is a wasteful number, since it uses less digits than its factorization.

868103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81636.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 868103123 is about 29463.5897846817. The cubic root of 868103123 is about 953.9459595048.

The spelling of 868103123 in words is "eight hundred sixty-eight million, one hundred three thousand, one hundred twenty-three".