2118908323 has 6 divisors (see below), whose sum is σ = 2464852596. Its totient is φ = 1816207092.

The previous prime is 2118908279. The next prime is 2118908333. The reversal of 2118908323 is 3238098112.

It is not a de Polignac number, because 2118908323 - 2⁹ = 2118907811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118908333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21621465 + ... + 21621562.

It is an arithmetic number, because the mean of its divisors is an integer number (410808766).

Almost surely, 2^2118908323 is an apocalyptic number.

2118908323 is a deficient number, since it is larger than the sum of its proper divisors (345944273).

2118908323 is an equidigital number, since it uses as much as digits as its factorization.

2118908323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43243041 (or 43243034 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2118908323 is about 46031.6013516801. The cubic root of 2118908323 is about 1284.4111162625.

The spelling of 2118908323 in words is "two billion, one hundred eighteen million, nine hundred eight thousand, three hundred twenty-three".