103223809 has 4 divisors (see below), whose sum is σ = 111164116. Its totient is φ = 95283504.

The previous prime is 103223803. The next prime is 103223851. The reversal of 103223809 is 908322301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4161600 + 99062209 = 2040^2 + 9953^2 .

It is a cyclic number.

It is not a de Polignac number, because 103223809 - 2¹³ = 103215617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103223803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970134 + ... + 3970159.

It is an arithmetic number, because the mean of its divisors is an integer number (27791029).

Almost surely, 2^103223809 is an apocalyptic number.

It is an amenable number.

103223809 is a deficient number, since it is larger than the sum of its proper divisors (7940307).

103223809 is an equidigital number, since it uses as much as digits as its factorization.

103223809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940306.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 103223809 is about 10159.9118598539. The cubic root of 103223809 is about 469.0940887149.

The spelling of 103223809 in words is "one hundred three million, two hundred twenty-three thousand, eight hundred nine".