9623739623 has 4 divisors (see below), whose sum is σ = 9624926160. Its totient is φ = 9622553088.

The previous prime is 9623739611. The next prime is 9623739641. The reversal of 9623739623 is 3269373269.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3269373269 = 139 ⋅23520671.

It is a cyclic number.

It is not a de Polignac number, because 9623739623 - 2³² = 5328772327 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 (9623739673) 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, 581018 + ... + 597351.

It is an arithmetic number, because the mean of its divisors is an integer number (2406231540).

Almost surely, 2^9623739623 is an apocalyptic number.

9623739623 is a deficient number, since it is larger than the sum of its proper divisors (1186537).

9623739623 is a wasteful number, since it uses less digits than its factorization.

9623739623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186536.

The product of its digits is 2204496, while the sum is 50.

The square root of 9623739623 is about 98100.6606654614. The cubic root of 9623739623 is about 2127.0675791854.

The spelling of 9623739623 in words is "nine billion, six hundred twenty-three million, seven hundred thirty-nine thousand, six hundred twenty-three".