9213123168 has 96 divisors (see below), whose sum is σ = 26896665600. Its totient is φ = 3068178048.

The previous prime is 9213123149. The next prime is 9213123169. The reversal of 9213123168 is 8613213129.

9213123168 is a `hidden beast` number, since 9 + 21 + 312 + 316 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9213123169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052313 + ... + 1061031.

It is an arithmetic number, because the mean of its divisors is an integer number (280173600).

Almost surely, 2^9213123168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9213123168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13448332800).

9213123168 is an abundant number, since it is smaller than the sum of its proper divisors (17683542432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9213123168 is a wasteful number, since it uses less digits than its factorization.

9213123168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961 (or 9947 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 9213123168 is about 95985.0153305192. The cubic root of 9213123168 is about 2096.3749377822.

The spelling of 9213123168 in words is "nine billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred sixty-eight".