42623166 has 16 divisors (see below), whose sum is σ = 85870224. Its totient is φ = 14103744.

The previous prime is 42623153. The next prime is 42623173. The reversal of 42623166 is 66132624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25105 + ... + 26748.

It is an arithmetic number, because the mean of its divisors is an integer number (5366889).

Almost surely, 2^42623166 is an apocalyptic number.

42623166 is an abundant number, since it is smaller than the sum of its proper divisors (43247058).

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

42623166 is a wasteful number, since it uses less digits than its factorization.

42623166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51995.

The product of its digits is 10368, while the sum is 30.

The square root of 42623166 is about 6528.6419721103. The cubic root of 42623166 is about 349.3133913488.

The spelling of 42623166 in words is "forty-two million, six hundred twenty-three thousand, one hundred sixty-six".