23440166 has 8 divisors (see below), whose sum is σ = 36110640. Its totient is φ = 11403288.

The previous prime is 23440159. The next prime is 23440171. The reversal of 23440166 is 66104432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 158306 + ... + 158453.

It is an arithmetic number, because the mean of its divisors is an integer number (4513830).

Almost surely, 2^23440166 is an apocalyptic number.

23440166 is a deficient number, since it is larger than the sum of its proper divisors (12670474).

23440166 is a wasteful number, since it uses less digits than its factorization.

23440166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316798.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23440166 is about 4841.5045182257. The cubic root of 23440166 is about 286.1894111004.

Adding to 23440166 its reverse (66104432), we get a palindrome (89544598).

The spelling of 23440166 in words is "twenty-three million, four hundred forty thousand, one hundred sixty-six".