4340123823 has 32 divisors (see below), whose sum is σ = 6770737152. Its totient is φ = 2421792000.

The previous prime is 4340123797. The next prime is 4340123861. The reversal of 4340123823 is 3283210434.

It is not a de Polignac number, because 4340123823 - 2⁹ = 4340123311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340127823) 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 31 ways as a sum of consecutive naturals, for example, 140818 + ... + 168848.

It is an arithmetic number, because the mean of its divisors is an integer number (211585536).

Almost surely, 2^4340123823 is an apocalyptic number.

4340123823 is a deficient number, since it is larger than the sum of its proper divisors (2430613329).

4340123823 is a wasteful number, since it uses less digits than its factorization.

4340123823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28215.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 4340123823 is about 65879.6161418690. The cubic root of 4340123823 is about 1631.1755634565.

The spelling of 4340123823 in words is "four billion, three hundred forty million, one hundred twenty-three thousand, eight hundred twenty-three".