23420168 has 36 divisors (see below), whose sum is σ = 46263165. Its totient is φ = 11114656.

The previous prime is 23420167. The next prime is 23420171. The reversal of 23420168 is 86102432.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 23406244 + 13924 = 4838^2 + 118^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3422.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 396923 + ... + 396981.

Almost surely, 2^23420168 is an apocalyptic number.

It is an amenable number.

23420168 is a deficient number, since it is larger than the sum of its proper divisors (22842997).

23420168 is an equidigital number, since it uses as much as digits as its factorization.

23420168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 23420168 is about 4839.4388104407. The cubic root of 23420168 is about 286.1080003544.

It can be divided in two parts, 234 and 20168, that added together give a palindrome (20402).

The spelling of 23420168 in words is "twenty-three million, four hundred twenty thousand, one hundred sixty-eight".