23473311221065 has 16 divisors (see below), whose sum is σ = 28188273844800. Its totient is φ = 18765116309952.

The previous prime is 23473311221057. The next prime is 23473311221081. The reversal of 23473311221065 is 56012211337432.

It is a cyclic number.

It is not a de Polignac number, because 23473311221065 - 2³ = 23473311221057 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 405711679 + ... + 405769531.

It is an arithmetic number, because the mean of its divisors is an integer number (1761767115300).

Almost surely, 2^{23473311221065} is an apocalyptic number.

It is an amenable number.

23473311221065 is a deficient number, since it is larger than the sum of its proper divisors (4714962623735).

23473311221065 is a wasteful number, since it uses less digits than its factorization.

23473311221065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114936.

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 23473311221065 its reverse (56012211337432), we get a palindrome (79485522558497).

The spelling of 23473311221065 in words is "twenty-three trillion, four hundred seventy-three billion, three hundred eleven million, two hundred twenty-one thousand, sixty-five".