8047323121 has 4 divisors (see below), whose sum is σ = 8082464500. Its totient is φ = 8012181744.

The previous prime is 8047323101. The next prime is 8047323143. The reversal of 8047323121 is 1213237408.

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 5739577600 + 2307745521 = 75760^2 + 48039^2 .

It is a cyclic number.

It is not a de Polignac number, because 8047323121 - 2⁷ = 8047322993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8047323101) 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, 17570346 + ... + 17570803.

It is an arithmetic number, because the mean of its divisors is an integer number (2020616125).

Almost surely, 2^8047323121 is an apocalyptic number.

It is an amenable number.

8047323121 is a deficient number, since it is larger than the sum of its proper divisors (35141379).

8047323121 is a wasteful number, since it uses less digits than its factorization.

8047323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35141378.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 8047323121 is about 89706.8733208331. The cubic root of 8047323121 is about 2003.9358429062.

The spelling of 8047323121 in words is "eight billion, forty-seven million, three hundred twenty-three thousand, one hundred twenty-one".