2811323073 has 8 divisors (see below), whose sum is σ = 4036771648. Its totient is φ = 1730044944.

The previous prime is 2811323023. The next prime is 2811323089. The reversal of 2811323073 is 3703231182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2811323073 - 2⁹ = 2811322561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2811323073.

It is not an unprimeable number, because it can be changed into a prime (2811323003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36042565 + ... + 36042642.

It is an arithmetic number, because the mean of its divisors is an integer number (504596456).

Almost surely, 2^2811323073 is an apocalyptic number.

It is an amenable number.

2811323073 is a deficient number, since it is larger than the sum of its proper divisors (1225448575).

2811323073 is a wasteful number, since it uses less digits than its factorization.

2811323073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72085223.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2811323073 is about 53021.9112537449. The cubic root of 2811323073 is about 1411.3571215023.

The spelling of 2811323073 in words is "two billion, eight hundred eleven million, three hundred twenty-three thousand, seventy-three".