40033323 has 24 divisors (see below), whose sum is σ = 66406080. Its totient is φ = 22984560.

The previous prime is 40033309. The next prime is 40033333. The reversal of 40033323 is 32333004.

40033323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40033323 - 2⁵ = 40033291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40033296 and 40033305.

It is not an unprimeable number, because it can be changed into a prime (40033303) 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 23 ways as a sum of consecutive naturals, for example, 8761 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (2766920).

Almost surely, 2^40033323 is an apocalyptic number.

40033323 is a deficient number, since it is larger than the sum of its proper divisors (26372757).

40033323 is a wasteful number, since it uses less digits than its factorization.

40033323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319 (or 21316 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 40033323 is about 6327.1891863607. The cubic root of 40033323 is about 342.0901321895.

Adding to 40033323 its reverse (32333004), we get a palindrome (72366327).

The spelling of 40033323 in words is "forty million, thirty-three thousand, three hundred twenty-three".