23205351511233 has 16 divisors (see below), whose sum is σ = 34378602947200. Its totient is φ = 15470097355440.

The previous prime is 23205351511207. The next prime is 23205351511297. The reversal of 23205351511233 is 33211515350232.

23205351511233 is a `hidden beast` number, since 2 + 3 + 2 + 0 + 535 + 1 + 5 + 112 + 3 + 3 = 666.

It is not a de Polignac number, because 23205351511233 - 2⁸ = 23205351510977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23205351551233) 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, 651973 + ... + 6843666.

It is an arithmetic number, because the mean of its divisors is an integer number (2148662684200).

Almost surely, 2^{23205351511233} is an apocalyptic number.

It is an amenable number.

23205351511233 is a deficient number, since it is larger than the sum of its proper divisors (11173251435967).

23205351511233 is a wasteful number, since it uses less digits than its factorization.

23205351511233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610309 (or 7610303 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 23205351511233 its reverse (33211515350232), we get a palindrome (56416866861465).

The spelling of 23205351511233 in words is "twenty-three trillion, two hundred five billion, three hundred fifty-one million, five hundred eleven thousand, two hundred thirty-three".