42023718 has 64 divisors (see below), whose sum is σ = 102643200. Its totient is φ = 12638880.

The previous prime is 42023669. The next prime is 42023741. The reversal of 42023718 is 81732024.

42023718 is a `hidden beast` number, since 420 + 237 + 1 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42023691 and 42023700.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 156088 + ... + 156356.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 2^42023718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42023718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51321600).

42023718 is an abundant number, since it is smaller than the sum of its proper divisors (60619482).

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

42023718 is a wasteful number, since it uses less digits than its factorization.

42023718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42023718 is about 6482.5703235677. The cubic root of 42023718 is about 347.6680842392.

The spelling of 42023718 in words is "forty-two million, twenty-three thousand, seven hundred eighteen".