23205200511 has 8 divisors (see below), whose sum is σ = 31119113520. Its totient is φ = 15380710592.

The previous prime is 23205200509. The next prime is 23205200519. The reversal of 23205200511 is 11500250232.

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

It is a cyclic number.

It is not a de Polignac number, because 23205200511 - 2¹ = 23205200509 is a prime.

It is a super-2 number, since 2×23205200511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23205200519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22355166 + ... + 22356203.

It is an arithmetic number, because the mean of its divisors is an integer number (3889889190).

Almost surely, 2^23205200511 is an apocalyptic number.

23205200511 is a deficient number, since it is larger than the sum of its proper divisors (7913913009).

23205200511 is a wasteful number, since it uses less digits than its factorization.

23205200511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44711545.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 23205200511 its reverse (11500250232), we get a palindrome (34705450743).

The spelling of 23205200511 in words is "twenty-three billion, two hundred five million, two hundred thousand, five hundred eleven".