22641040723 has 8 divisors (see below), whose sum is σ = 25877947392. Its totient is φ = 19404752136.

The previous prime is 22641040711. The next prime is 22641040729. The reversal of 22641040723 is 32704014622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22641040723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22641040729) 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 7 ways as a sum of consecutive naturals, for example, 73165 + ... + 225022.

It is an arithmetic number, because the mean of its divisors is an integer number (3234743424).

Almost surely, 2^22641040723 is an apocalyptic number.

22641040723 is a deficient number, since it is larger than the sum of its proper divisors (3236906669).

22641040723 is a wasteful number, since it uses less digits than its factorization.

22641040723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309041.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 22641040723 in words is "twenty-two billion, six hundred forty-one million, forty thousand, seven hundred twenty-three".