2023783409 has 4 divisors (see below), whose sum is σ = 2111774016. Its totient is φ = 1935792804.

The previous prime is 2023783403. The next prime is 2023783451. The reversal of 2023783409 is 9043873202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023783409 - 2⁴ = 2023783393 is a prime.

It is a super-2 number, since 2×2023783409² = 8191398573087322562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023783403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43995269 + ... + 43995314.

It is an arithmetic number, because the mean of its divisors is an integer number (527943504).

Almost surely, 2^2023783409 is an apocalyptic number.

It is an amenable number.

2023783409 is a deficient number, since it is larger than the sum of its proper divisors (87990607).

2023783409 is an equidigital number, since it uses as much as digits as its factorization.

2023783409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87990606.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2023783409 is about 44986.4802913053. The cubic root of 2023783409 is about 1264.8955860638.

The spelling of 2023783409 in words is "two billion, twenty-three million, seven hundred eighty-three thousand, four hundred nine".