40323065 has 8 divisors (see below), whose sum is σ = 51234120. Its totient is φ = 30360832.

The previous prime is 40323047. The next prime is 40323077. The reversal of 40323065 is 56032304.

It can be written as a sum of positive squares in 4 ways, for example, as 1547536 + 38775529 = 1244^2 + 6227^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40323065 - 2⁶ = 40323001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40323065.

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, 237110 + ... + 237279.

It is an arithmetic number, because the mean of its divisors is an integer number (6404265).

Almost surely, 2^40323065 is an apocalyptic number.

It is an amenable number.

40323065 is a deficient number, since it is larger than the sum of its proper divisors (10911055).

40323065 is a wasteful number, since it uses less digits than its factorization.

40323065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474411.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 40323065 is about 6350.0444880331. The cubic root of 40323065 is about 342.9134439206.

Adding to 40323065 its reverse (56032304), we get a palindrome (96355369).

The spelling of 40323065 in words is "forty million, three hundred twenty-three thousand, sixty-five".