23545165552012 has 24 divisors (see below), whose sum is σ = 44630075938896. Its totient is φ = 10804184455488.

The previous prime is 23545165551997. The next prime is 23545165552019. The reversal of 23545165552012 is 21025556154532.

It is not an unprimeable number, because it can be changed into a prime (23545165552019) 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, 1308637378 + ... + 1308655369.

It is an arithmetic number, because the mean of its divisors is an integer number (1859586497454).

Almost surely, 2^{23545165552012} is an apocalyptic number.

It is an amenable number.

23545165552012 is a deficient number, since it is larger than the sum of its proper divisors (21084910386884).

23545165552012 is a wasteful number, since it uses less digits than its factorization.

23545165552012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617292937 (or 2617292935 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 23545165552012 in words is "twenty-three trillion, five hundred forty-five billion, one hundred sixty-five million, five hundred fifty-two thousand, twelve".