40303223 has 8 divisors (see below), whose sum is σ = 40959408. Its totient is φ = 39651264.

The previous prime is 40303213. The next prime is 40303229. The reversal of 40303223 is 32230304.

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 40303223 - 2⁸ = 40302967 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 (40303229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22115 + ... + 23867.

It is an arithmetic number, because the mean of its divisors is an integer number (5119926).

Almost surely, 2^40303223 is an apocalyptic number.

40303223 is a deficient number, since it is larger than the sum of its proper divisors (656185).

40303223 is a wasteful number, since it uses less digits than its factorization.

40303223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40303223 is about 6348.4819445282. The cubic root of 40303223 is about 342.8571882358.

Adding to 40303223 its reverse (32230304), we get a palindrome (72533527).

The spelling of 40303223 in words is "forty million, three hundred three thousand, two hundred twenty-three".