40303232323 has 4 divisors (see below), whose sum is σ = 40756077720. Its totient is φ = 39850386928.

The previous prime is 40303232287. The next prime is 40303232351. The reversal of 40303232323 is 32323230304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40303232323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40303239323) 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, 226422565 + ... + 226422742.

It is an arithmetic number, because the mean of its divisors is an integer number (10189019430).

Almost surely, 2^40303232323 is an apocalyptic number.

40303232323 is a deficient number, since it is larger than the sum of its proper divisors (452845397).

40303232323 is an equidigital number, since it uses as much as digits as its factorization.

40303232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452845396.

The product of its (nonzero) digits is 7776, while the sum is 25.

Adding to 40303232323 its reverse (32323230304), we get a palindrome (72626462627).

The spelling of 40303232323 in words is "forty billion, three hundred three million, two hundred thirty-two thousand, three hundred twenty-three".