40323243 has 8 divisors (see below), whose sum is σ = 54521856. Its totient is φ = 26503400.

The previous prime is 40323233. The next prime is 40323247. The reversal of 40323243 is 34232304.

40323243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40323243 - 2⁵ = 40323211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40323247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94443 + ... + 94868.

It is an arithmetic number, because the mean of its divisors is an integer number (6815232).

Almost surely, 2^40323243 is an apocalyptic number.

40323243 is a deficient number, since it is larger than the sum of its proper divisors (14198613).

40323243 is a wasteful number, since it uses less digits than its factorization.

40323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189385.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 40323243 is about 6350.0585036675. The cubic root of 40323243 is about 342.9139484995.

Adding to 40323243 its reverse (34232304), we get a palindrome (74555547).

The spelling of 40323243 in words is "forty million, three hundred twenty-three thousand, two hundred forty-three".