42023805 has 8 divisors (see below), whose sum is σ = 67238112. Its totient is φ = 22412688.

The previous prime is 42023803. The next prime is 42023809. The reversal of 42023805 is 50832024.

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

It is not a de Polignac number, because 42023805 - 2¹ = 42023803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42023803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400779 + ... + 1400808.

It is an arithmetic number, because the mean of its divisors is an integer number (8404764).

Almost surely, 2^42023805 is an apocalyptic number.

It is an amenable number.

42023805 is a deficient number, since it is larger than the sum of its proper divisors (25214307).

42023805 is a wasteful number, since it uses less digits than its factorization.

42023805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801595.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42023805 is about 6482.5770338655. The cubic root of 42023805 is about 347.6683241600.

Adding to 42023805 its reverse (50832024), we get a palindrome (92855829).

The spelling of 42023805 in words is "forty-two million, twenty-three thousand, eight hundred five".