23115320454305 has 64 divisors (see below), whose sum is σ = 28761580044288. Its totient is φ = 17824269888000.

The previous prime is 23115320454257. The next prime is 23115320454307. The reversal of 23115320454305 is 50345402351132.

It is a de Polignac number, because none of the positive numbers 2^k-23115320454305 is a prime.

It is a super-2 number, since 2×23115320454305² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23115320454307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7702537805 + ... + 7702540805.

It is an arithmetic number, because the mean of its divisors is an integer number (449399688192).

Almost surely, 2^{23115320454305} is an apocalyptic number.

It is an amenable number.

23115320454305 is a deficient number, since it is larger than the sum of its proper divisors (5646259589983).

23115320454305 is a wasteful number, since it uses less digits than its factorization.

23115320454305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 23115320454305 in words is "twenty-three trillion, one hundred fifteen billion, three hundred twenty million, four hundred fifty-four thousand, three hundred five".