9123662920 has 32 divisors (see below), whose sum is σ = 20542636800. Its totient is φ = 3646906048.

The previous prime is 9123662903. The next prime is 9123662921. The reversal of 9123662920 is 292663219.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (9123662921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21694 + ... + 136813.

It is an arithmetic number, because the mean of its divisors is an integer number (641957400).

Almost surely, 2^9123662920 is an apocalyptic number.

It is an amenable number.

9123662920 is an abundant number, since it is smaller than the sum of its proper divisors (11418973880).

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

9123662920 is a wasteful number, since it uses less digits than its factorization.

9123662920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159957 (or 159953 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 9123662920 is about 95517.8670197362. The cubic root of 9123662920 is about 2089.5675272533.

The spelling of 9123662920 in words is "nine billion, one hundred twenty-three million, six hundred sixty-two thousand, nine hundred twenty".