9123990752 has 24 divisors (see below), whose sum is σ = 18215859312. Its totient is φ = 4497740800.

The previous prime is 9123990751. The next prime is 9123990781. The reversal of 9123990752 is 2570993219.

It is a junction number, because it is equal to n+sod(n) for n = 9123990697 and 9123990706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9123990751) 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, 2005649 + ... + 2010192.

It is an arithmetic number, because the mean of its divisors is an integer number (758994138).

Almost surely, 2^9123990752 is an apocalyptic number.

It is an amenable number.

9123990752 is a deficient number, since it is larger than the sum of its proper divisors (9091868560).

9123990752 is a wasteful number, since it uses less digits than its factorization.

9123990752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015922 (or 4015914 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 9123990752 is about 95519.5830811672. The cubic root of 9123990752 is about 2089.5925544419.

The spelling of 9123990752 in words is "nine billion, one hundred twenty-three million, nine hundred ninety thousand, seven hundred fifty-two".