40413223 has 4 divisors (see below), whose sum is σ = 40445680. Its totient is φ = 40380768.

The previous prime is 40413179. The next prime is 40413229. The reversal of 40413223 is 32231404.

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

It is a cyclic number.

It is not a de Polignac number, because 40413223 - 2⁹ = 40412711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40413223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40413229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14283 + ... + 16876.

It is an arithmetic number, because the mean of its divisors is an integer number (10111420).

Almost surely, 2^40413223 is an apocalyptic number.

40413223 is a deficient number, since it is larger than the sum of its proper divisors (32457).

40413223 is a wasteful number, since it uses less digits than its factorization.

40413223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32456.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40413223 is about 6357.1395296942. The cubic root of 40413223 is about 343.1688261024.

Adding to 40413223 its reverse (32231404), we get a palindrome (72644627).

The spelling of 40413223 in words is "forty million, four hundred thirteen thousand, two hundred twenty-three".