4313123009 has 4 divisors (see below), whose sum is σ = 4644901716. Its totient is φ = 3981344304.

The previous prime is 4313122999. The next prime is 4313123033. The reversal of 4313123009 is 9003213134.

It is a happy number.

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 1598400400 + 2714722609 = 39980^2 + 52103^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313123009 - 2²⁴ = 4296345793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4313123039) 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, 165889334 + ... + 165889359.

It is an arithmetic number, because the mean of its divisors is an integer number (1161225429).

Almost surely, 2^4313123009 is an apocalyptic number.

It is an amenable number.

4313123009 is a deficient number, since it is larger than the sum of its proper divisors (331778707).

4313123009 is a wasteful number, since it uses less digits than its factorization.

4313123009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331778706.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 4313123009 is about 65674.3710209698. The cubic root of 4313123009 is about 1627.7858968268.

The spelling of 4313123009 in words is "four billion, three hundred thirteen million, one hundred twenty-three thousand, nine".