23305605247265 has 32 divisors (see below), whose sum is σ = 30526334407296. Its totient is φ = 16939990287360.

The previous prime is 23305605247231. The next prime is 23305605247297. The reversal of 23305605247265 is 56274250650332.

It is not a de Polignac number, because 23305605247265 - 2⁸ = 23305605247009 is a prime.

It is a super-3 number, since 3×23305605247265³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886367459 + ... + 886393751.

It is an arithmetic number, because the mean of its divisors is an integer number (953947950228).

Almost surely, 2^{23305605247265} is an apocalyptic number.

It is an amenable number.

23305605247265 is a deficient number, since it is larger than the sum of its proper divisors (7220729160031).

23305605247265 is a wasteful number, since it uses less digits than its factorization.

23305605247265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34769.

The product of its (nonzero) digits is 9072000, while the sum is 50.

Adding to 23305605247265 its reverse (56274250650332), we get a palindrome (79579855897597).

The spelling of 23305605247265 in words is "twenty-three trillion, three hundred five billion, six hundred five million, two hundred forty-seven thousand, two hundred sixty-five".