40023636203 has 4 divisors (see below), whose sum is σ = 40036931688. Its totient is φ = 40010340720.

The previous prime is 40023636199. The next prime is 40023636217. The reversal of 40023636203 is 30263632004.

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 40023636203 - 2² = 40023636199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40023632203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6643226 + ... + 6649247.

It is an arithmetic number, because the mean of its divisors is an integer number (10009232922).

Almost surely, 2^40023636203 is an apocalyptic number.

40023636203 is a deficient number, since it is larger than the sum of its proper divisors (13295485).

40023636203 is a wasteful number, since it uses less digits than its factorization.

40023636203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13295484.

The product of its (nonzero) digits is 15552, while the sum is 29.

The spelling of 40023636203 in words is "forty billion, twenty-three million, six hundred thirty-six thousand, two hundred three".