9123897600 has 648 divisors, whose sum is σ = 34873517952. Its totient is φ = 2270822400.

The previous prime is 9123897593. The next prime is 9123897617. The reversal of 9123897600 is 67983219.

9123897600 is a `hidden beast` number, since 9 + 1 + 2 + 38 + 9 + 7 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 94060752 + ... + 94060848.

Almost surely, 2^9123897600 is an apocalyptic number.

9123897600 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9123897600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17436758976).

9123897600 is an abundant number, since it is smaller than the sum of its proper divisors (25749620352).

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

9123897600 is a wasteful number, since it uses less digits than its factorization.

9123897600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 9123897600 is about 95519.0954731042. The cubic root of 9123897600 is about 2089.5854431389.

The spelling of 9123897600 in words is "nine billion, one hundred twenty-three million, eight hundred ninety-seven thousand, six hundred".