4123823089 has 3 divisors (see below), whose sum is σ = 4123887307. Its totient is φ = 4123758872.

The previous prime is 4123823063. The next prime is 4123823101. The reversal of 4123823089 is 9803283214.

The square root of 4123823089 is 64217.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9803283214 = 2 ⋅4901641607.

It can be written as a sum of positive squares in only one way, i.e., 1119906225 + 3003916864 = 33465^2 + 54808^2 .

It is not a de Polignac number, because 4123823089 - 2⁷ = 4123822961 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4123823029) 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 2 ways as a sum of consecutive naturals, for example, 32109 + ... + 96325.

Almost surely, 2^4123823089 is an apocalyptic number.

4123823089 is the 64217-th square number.

4123823089 is the 32109-th centered octagonal number.

It is an amenable number.

4123823089 is a deficient number, since it is larger than the sum of its proper divisors (64218).

4123823089 is an frugal number, since it uses more digits than its factorization.

4123823089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128434 (or 64217 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The cubic root of 4123823089 is about 1603.6146259471.

Multiplying 4123823089 by its product of nonzero digits (82944), we get a square (342046382294016 = 18494496²).

The spelling of 4123823089 in words is "four billion, one hundred twenty-three million, eight hundred twenty-three thousand, eighty-nine".