1823234305 has 4 divisors (see below), whose sum is σ = 2187881172. Its totient is φ = 1458587440.

The previous prime is 1823234299. The next prime is 1823234353. The reversal of 1823234305 is 5034323281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5034323281 = 13 ⋅387255637.

It can be written as a sum of positive squares in 2 ways, for example, as 1378488384 + 444745921 = 37128^2 + 21089^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1823234305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 182323426 + ... + 182323435.

It is an arithmetic number, because the mean of its divisors is an integer number (546970293).

Almost surely, 2^1823234305 is an apocalyptic number.

It is an amenable number.

1823234305 is a deficient number, since it is larger than the sum of its proper divisors (364646867).

1823234305 is an equidigital number, since it uses as much as digits as its factorization.

1823234305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364646866.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1823234305 is about 42699.3478287432. The cubic root of 1823234305 is about 1221.6519556811.

Adding to 1823234305 its reverse (5034323281), we get a palindrome (6857557586).

The spelling of 1823234305 in words is "one billion, eight hundred twenty-three million, two hundred thirty-four thousand, three hundred five".