4030040323 has 4 divisors (see below), whose sum is σ = 4067013280. Its totient is φ = 3993067368.

The previous prime is 4030040321. The next prime is 4030040369. The reversal of 4030040323 is 3230400304.

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 4030040323 - 2¹ = 4030040321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4030040323.

It is not an unprimeable number, because it can be changed into a prime (4030040321) 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, 18486315 + ... + 18486532.

It is an arithmetic number, because the mean of its divisors is an integer number (1016753320).

Almost surely, 2^4030040323 is an apocalyptic number.

4030040323 is a deficient number, since it is larger than the sum of its proper divisors (36972957).

4030040323 is a wasteful number, since it uses less digits than its factorization.

4030040323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36972956.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 4030040323 is about 63482.5985841790. The cubic root of 4030040323 is about 1591.3649820165.

Adding to 4030040323 its reverse (3230400304), we get a palindrome (7260440627).

The spelling of 4030040323 in words is "four billion, thirty million, forty thousand, three hundred twenty-three".