9918010923 has 16 divisors (see below), whose sum is σ = 13726788096. Its totient is φ = 6365233440.

The previous prime is 9918010903. The next prime is 9918010943. The reversal of 9918010923 is 3290108199.

9918010923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9918010903) and next prime (9918010943).

It is not a de Polignac number, because 9918010923 - 2⁵ = 9918010891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9918010903) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 567961 + ... + 585162.

It is an arithmetic number, because the mean of its divisors is an integer number (857924256).

Almost surely, 2^9918010923 is an apocalyptic number.

9918010923 is a deficient number, since it is larger than the sum of its proper divisors (3808777173).

9918010923 is a wasteful number, since it uses less digits than its factorization.

9918010923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153234.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 9918010923 is about 99589.2108764800. The cubic root of 9918010923 is about 2148.5305208757.

The spelling of 9918010923 in words is "nine billion, nine hundred eighteen million, ten thousand, nine hundred twenty-three".