2023563869 has 4 divisors (see below), whose sum is σ = 2051283996. Its totient is φ = 1995843744.

The previous prime is 2023563809. The next prime is 2023563911. The reversal of 2023563869 is 9683653202.

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 698967844 + 1324596025 = 26438^2 + 36395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2023563869 is a prime.

It is a super-3 number, since 3×2023563869³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023563809) 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, 13859954 + ... + 13860099.

It is an arithmetic number, because the mean of its divisors is an integer number (512820999).

Almost surely, 2^2023563869 is an apocalyptic number.

It is an amenable number.

2023563869 is a deficient number, since it is larger than the sum of its proper divisors (27720127).

2023563869 is an equidigital number, since it uses as much as digits as its factorization.

2023563869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27720126.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 2023563869 is about 44984.0401587052. The cubic root of 2023563869 is about 1264.8498457905.

The spelling of 2023563869 in words is "two billion, twenty-three million, five hundred sixty-three thousand, eight hundred sixty-nine".