40011223 has 8 divisors (see below), whose sum is σ = 46088192. Its totient is φ = 34024536.

The previous prime is 40011211. The next prime is 40011233. The reversal of 40011223 is 32211004.

40011223 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 not a de Polignac number, because 40011223 - 2¹⁷ = 39880151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40011233) 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, 21615 + ... + 23392.

It is an arithmetic number, because the mean of its divisors is an integer number (5761024).

Almost surely, 2^40011223 is an apocalyptic number.

40011223 is a deficient number, since it is larger than the sum of its proper divisors (6076969).

40011223 is a wasteful number, since it uses less digits than its factorization.

40011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45141.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40011223 is about 6325.4425141645. The cubic root of 40011223 is about 342.0271714445.

Adding to 40011223 its reverse (32211004), we get a palindrome (72222227).

The spelling of 40011223 in words is "forty million, eleven thousand, two hundred twenty-three".