103123323209 has 4 divisors (see below), whose sum is σ = 103123973316. Its totient is φ = 103122673104.

The previous prime is 103123323167. The next prime is 103123323211. The reversal of 103123323209 is 902323321301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 902323321301 = 1361 ⋅662985541.

It can be written as a sum of positive squares in 2 ways, for example, as 48376682809 + 54746640400 = 219947^2 + 233980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103123323209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123323269) by changing a digit.

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, 86987 + ... + 462399.

It is an arithmetic number, because the mean of its divisors is an integer number (25780993329).

Almost surely, 2^103123323209 is an apocalyptic number.

It is an amenable number.

103123323209 is a deficient number, since it is larger than the sum of its proper divisors (650107).

103123323209 is an equidigital number, since it uses as much as digits as its factorization.

103123323209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650106.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 103123323209 in words is "one hundred three billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred nine".