40433223 has 16 divisors (see below), whose sum is σ = 55455840. Its totient is φ = 26193024.

The previous prime is 40433219. The next prime is 40433249. The reversal of 40433223 is 32233404.

It is not a de Polignac number, because 40433223 - 2² = 40433219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40433223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16165 + ... + 18497.

It is an arithmetic number, because the mean of its divisors is an integer number (3465990).

Almost surely, 2^40433223 is an apocalyptic number.

40433223 is a deficient number, since it is larger than the sum of its proper divisors (15022617).

40433223 is a wasteful number, since it uses less digits than its factorization.

40433223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498.

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

The square root of 40433223 is about 6358.7123696547. The cubic root of 40433223 is about 343.2254267571.

Adding to 40433223 its reverse (32233404), we get a palindrome (72666627).

The spelling of 40433223 in words is "forty million, four hundred thirty-three thousand, two hundred twenty-three".