40837223 has 4 divisors (see below), whose sum is σ = 46671120. Its totient is φ = 35003328.

The previous prime is 40837217. The next prime is 40837267. The reversal of 40837223 is 32273804.

40837223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40837223 - 2⁴ = 40837207 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 (40837273) 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 3 ways as a sum of consecutive naturals, for example, 2916938 + ... + 2916951.

It is an arithmetic number, because the mean of its divisors is an integer number (11667780).

Almost surely, 2^40837223 is an apocalyptic number.

40837223 is a deficient number, since it is larger than the sum of its proper divisors (5833897).

40837223 is an equidigital number, since it uses as much as digits as its factorization.

40837223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833896.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40837223 is about 6390.4008481472. The cubic root of 40837223 is about 344.3647850897.

The spelling of 40837223 in words is "forty million, eight hundred thirty-seven thousand, two hundred twenty-three".