40051323 has 12 divisors (see below), whose sum is σ = 62302240. Its totient is φ = 24646896.

The previous prime is 40051309. The next prime is 40051339. The reversal of 40051323 is 32315004.

40051323 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 40051323 - 2⁴ = 40051307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40051296 and 40051305.

It is not an unprimeable number, because it can be changed into a prime (40051393) 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 11 ways as a sum of consecutive naturals, for example, 171043 + ... + 171276.

Almost surely, 2^40051323 is an apocalyptic number.

40051323 is a deficient number, since it is larger than the sum of its proper divisors (22250917).

40051323 is a wasteful number, since it uses less digits than its factorization.

40051323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342338 (or 342335 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40051323 is about 6328.6114590801. The cubic root of 40051323 is about 342.1413953146.

Adding to 40051323 its reverse (32315004), we get a palindrome (72366327).

The spelling of 40051323 in words is "forty million, fifty-one thousand, three hundred twenty-three".