9623391172 has 6 divisors (see below), whose sum is σ = 16840934558. Its totient is φ = 4811695584.

The previous prime is 9623391143. The next prime is 9623391181. The reversal of 9623391172 is 2711933269.

9623391172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8823972096 + 799419076 = 93936^2 + 28274^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1202923893 + ... + 1202923900.

Almost surely, 2^9623391172 is an apocalyptic number.

It is an amenable number.

9623391172 is a deficient number, since it is larger than the sum of its proper divisors (7217543386).

9623391172 is a wasteful number, since it uses less digits than its factorization.

9623391172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405847797 (or 2405847795 counting only the distinct ones).

The product of its digits is 122472, while the sum is 43.

The square root of 9623391172 is about 98098.8846623650. The cubic root of 9623391172 is about 2127.0419069832.

The spelling of 9623391172 in words is "nine billion, six hundred twenty-three million, three hundred ninety-one thousand, one hundred seventy-two".