2423789823 has 32 divisors (see below), whose sum is σ = 3985096192. Its totient is φ = 1276041600.

The previous prime is 2423789803. The next prime is 2423789831. The reversal of 2423789823 is 3289873242.

2423789823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 49232²-1.

It is not a de Polignac number, because 2423789823 - 2⁵ = 2423789791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423789803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139488 + ... + 155898.

It is an arithmetic number, because the mean of its divisors is an integer number (124534256).

Almost surely, 2^2423789823 is an apocalyptic number.

2423789823 is a deficient number, since it is larger than the sum of its proper divisors (1561306369).

2423789823 is a wasteful number, since it uses less digits than its factorization.

2423789823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16975.

The product of its digits is 1161216, while the sum is 48.

The square root of 2423789823 is about 49231.9999898440. Note that the first 4 decimals coincide. The cubic root of 2423789823 is about 1343.2751664204.

The spelling of 2423789823 in words is "two billion, four hundred twenty-three million, seven hundred eighty-nine thousand, eight hundred twenty-three".