23205310105345 has 8 divisors (see below), whose sum is σ = 28744642195200. Its totient is φ = 17965401371760.

The previous prime is 23205310105343. The next prime is 23205310105391. The reversal of 23205310105345 is 54350101350232.

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

It is not a de Polignac number, because 23205310105345 - 2¹ = 23205310105343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23205310105345.

It is not an unprimeable number, because it can be changed into a prime (23205310105343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74855838895 + ... + 74855839204.

It is an arithmetic number, because the mean of its divisors is an integer number (3593080274400).

Almost surely, 2^{23205310105345} is an apocalyptic number.

It is an amenable number.

23205310105345 is a deficient number, since it is larger than the sum of its proper divisors (5539332089855).

23205310105345 is a wasteful number, since it uses less digits than its factorization.

23205310105345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149711678135.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 23205310105345 its reverse (54350101350232), we get a palindrome (77555411455577).

The spelling of 23205310105345 in words is "twenty-three trillion, two hundred five billion, three hundred ten million, one hundred five thousand, three hundred forty-five".