23200829917 has 4 divisors (see below), whose sum is σ = 24565584636. Its totient is φ = 21836075200.

The previous prime is 23200829891. The next prime is 23200829929. The reversal of 23200829917 is 71992800232.

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 6649750116 + 16551079801 = 81546^2 + 128651^2 .

It is a cyclic number.

It is not a de Polignac number, because 23200829917 - 2¹⁵ = 23200797149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200829117) 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, 682377334 + ... + 682377367.

It is an arithmetic number, because the mean of its divisors is an integer number (6141396159).

Almost surely, 2^23200829917 is an apocalyptic number.

It is an amenable number.

23200829917 is a deficient number, since it is larger than the sum of its proper divisors (1364754719).

23200829917 is a wasteful number, since it uses less digits than its factorization.

23200829917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364754718.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 23200829917 in words is "twenty-three billion, two hundred million, eight hundred twenty-nine thousand, nine hundred seventeen".