2398108923 has 64 divisors (see below), whose sum is σ = 4131225600. Its totient is φ = 1363428288.

The previous prime is 2398108879. The next prime is 2398108987. The reversal of 2398108923 is 3298018932.

It is not a de Polignac number, because 2398108923 - 2⁹ = 2398108411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2398103923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5863143 + ... + 5863551.

It is an arithmetic number, because the mean of its divisors is an integer number (64550400).

Almost surely, 2^2398108923 is an apocalyptic number.

2398108923 is a deficient number, since it is larger than the sum of its proper divisors (1733116677).

2398108923 is an frugal number, since it uses more digits than its factorization.

2398108923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 2398108923 is about 48970.4903283600. The cubic root of 2398108923 is about 1338.5141551917.

The spelling of 2398108923 in words is "two billion, three hundred ninety-eight million, one hundred eight thousand, nine hundred twenty-three".