23123166 has 16 divisors (see below), whose sum is σ = 50450688. Its totient is φ = 7007000.

The previous prime is 23123159. The next prime is 23123167. The reversal of 23123166 is 66132132.

It is a happy number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175110 + ... + 175241.

It is an arithmetic number, because the mean of its divisors is an integer number (3153168).

Almost surely, 2^23123166 is an apocalyptic number.

23123166 is an abundant number, since it is smaller than the sum of its proper divisors (27327522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23123166 is a wasteful number, since it uses less digits than its factorization.

23123166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350367.

The product of its digits is 1296, while the sum is 24.

The square root of 23123166 is about 4808.6553213970. The cubic root of 23123166 is about 284.8934289141.

Adding to 23123166 its reverse (66132132), we get a palindrome (89255298).

The spelling of 23123166 in words is "twenty-three million, one hundred twenty-three thousand, one hundred sixty-six".