40001304323 has 4 divisors (see below), whose sum is σ = 40756045968. Its totient is φ = 39246562680.

The previous prime is 40001304311. The next prime is 40001304347. The reversal of 40001304323 is 32340310004.

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 40001304323 - 2¹⁰ = 40001303299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40001304295 and 40001304304.

It is not an unprimeable number, because it can be changed into a prime (40001304353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377370743 + ... + 377370848.

It is an arithmetic number, because the mean of its divisors is an integer number (10189011492).

Almost surely, 2^40001304323 is an apocalyptic number.

40001304323 is a deficient number, since it is larger than the sum of its proper divisors (754741645).

40001304323 is an equidigital number, since it uses as much as digits as its factorization.

40001304323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754741644.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40001304323 its reverse (32340310004), we get a palindrome (72341614327).

The spelling of 40001304323 in words is "forty billion, one million, three hundred four thousand, three hundred twenty-three".