23205000355 has 16 divisors (see below), whose sum is σ = 27991443744. Its totient is φ = 18467124480.

The previous prime is 23205000337. The next prime is 23205000359. The reversal of 23205000355 is 55300050232.

It is not a de Polignac number, because 23205000355 - 2¹¹ = 23204998307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23205000359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2989159 + ... + 2996911.

It is an arithmetic number, because the mean of its divisors is an integer number (1749465234).

Almost surely, 2^23205000355 is an apocalyptic number.

23205000355 is a deficient number, since it is larger than the sum of its proper divisors (4786443389).

23205000355 is a wasteful number, since it uses less digits than its factorization.

23205000355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806.

The product of its (nonzero) digits is 4500, while the sum is 25.

Adding to 23205000355 its reverse (55300050232), we get a palindrome (78505050587).

The spelling of 23205000355 in words is "twenty-three billion, two hundred five million, three hundred fifty-five", and thus it is an aban number.