2389787423 has 16 divisors (see below), whose sum is σ = 2572502016. Its totient is φ = 2214764640.

The previous prime is 2389787383. The next prime is 2389787431. The reversal of 2389787423 is 3247879832.

2389787423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2389787423 - 2²⁶ = 2322678559 is a prime.

It is a super-2 number, since 2×2389787423² = 11422167854257961858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389787443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81290 + ... + 106712.

It is an arithmetic number, because the mean of its divisors is an integer number (160781376).

Almost surely, 2^2389787423 is an apocalyptic number.

2389787423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2389787423 is a deficient number, since it is larger than the sum of its proper divisors (182714593).

2389787423 is a wasteful number, since it uses less digits than its factorization.

2389787423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25574.

The product of its digits is 4064256, while the sum is 53.

The square root of 2389787423 is about 48885.4520588692. The cubic root of 2389787423 is about 1336.9641346881.

The spelling of 2389787423 in words is "two billion, three hundred eighty-nine million, seven hundred eighty-seven thousand, four hundred twenty-three".