42323705 has 4 divisors (see below), whose sum is σ = 50788452. Its totient is φ = 33858960.

The previous prime is 42323689. The next prime is 42323707. The reversal of 42323705 is 50732324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19465744 + 22857961 = 4412^2 + 4781^2 .

It is not a de Polignac number, because 42323705 - 2⁴ = 42323689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42323707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4232366 + ... + 4232375.

It is an arithmetic number, because the mean of its divisors is an integer number (12697113).

Almost surely, 2^42323705 is an apocalyptic number.

It is an amenable number.

42323705 is a deficient number, since it is larger than the sum of its proper divisors (8464747).

42323705 is an equidigital number, since it uses as much as digits as its factorization.

42323705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464746.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 42323705 is about 6505.6671448822. The cubic root of 42323705 is about 348.4934016029.

The spelling of 42323705 in words is "forty-two million, three hundred twenty-three thousand, seven hundred five".