2820828023 has 4 divisors (see below), whose sum is σ = 3037814808. Its totient is φ = 2603841240.

The previous prime is 2820828011. The next prime is 2820828041. The reversal of 2820828023 is 3208280282.

2820828023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3208280282 = 2 ⋅1604140141.

It is not a de Polignac number, because 2820828023 - 2¹⁰ = 2820826999 is a prime.

It is a super-3 number, since 3×2820828023³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820828223) 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, 108493373 + ... + 108493398.

It is an arithmetic number, because the mean of its divisors is an integer number (759453702).

Almost surely, 2^2820828023 is an apocalyptic number.

2820828023 is a deficient number, since it is larger than the sum of its proper divisors (216986785).

2820828023 is a wasteful number, since it uses less digits than its factorization.

2820828023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216986784.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 2820828023 is about 53111.4679047755. The cubic root of 2820828023 is about 1412.9459094740.

The spelling of 2820828023 in words is "two billion, eight hundred twenty million, eight hundred twenty-eight thousand, twenty-three".