23165112146 has 16 divisors (see below), whose sum is σ = 38281863168. Its totient is φ = 10425342000.

The previous prime is 23165112143. The next prime is 23165112163. The reversal of 23165112146 is 64121156132.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23165112143) 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, 5210450 + ... + 5214893.

It is an arithmetic number, because the mean of its divisors is an integer number (2392616448).

Almost surely, 2^23165112146 is an apocalyptic number.

23165112146 is a deficient number, since it is larger than the sum of its proper divisors (15116751022).

23165112146 is a wasteful number, since it uses less digits than its factorization.

23165112146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425457.

The product of its digits is 8640, while the sum is 32.

Adding to 23165112146 its reverse (64121156132), we get a palindrome (87286268278).

The spelling of 23165112146 in words is "twenty-three billion, one hundred sixty-five million, one hundred twelve thousand, one hundred forty-six".