23336721005 has 8 divisors (see below), whose sum is σ = 30158224152. Its totient is φ = 17233270848.

The previous prime is 23336720999. The next prime is 23336721007. The reversal of 23336721005 is 50012763332.

It can be written as a sum of positive squares in 4 ways, for example, as 1810842916 + 21525878089 = 42554^2 + 146717^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23336721005 - 2⁶ = 23336720941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23336721007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179513174 + ... + 179513303.

It is an arithmetic number, because the mean of its divisors is an integer number (3769778019).

Almost surely, 2^23336721005 is an apocalyptic number.

It is an amenable number.

23336721005 is a deficient number, since it is larger than the sum of its proper divisors (6821503147).

23336721005 is a wasteful number, since it uses less digits than its factorization.

23336721005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359026495.

The product of its (nonzero) digits is 22680, while the sum is 32.

The spelling of 23336721005 in words is "twenty-three billion, three hundred thirty-six million, seven hundred twenty-one thousand, five".