260289823 has 4 divisors (see below), whose sum is σ = 260322328. Its totient is φ = 260257320.

The previous prime is 260289791. The next prime is 260289833. The reversal of 260289823 is 328982062.

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.

It is a cyclic number.

It is not a de Polignac number, because 260289823 - 2⁵ = 260289791 is a prime.

It is the 16134-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260289833) by changing a digit.

It is a nontrivial repunit in base 16133.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5188 + ... + 23398.

It is an arithmetic number, because the mean of its divisors is an integer number (65080582).

Almost surely, 2^260289823 is an apocalyptic number.

260289823 is a deficient number, since it is larger than the sum of its proper divisors (32505).

260289823 is a wasteful number, since it uses less digits than its factorization.

260289823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32504.

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

The square root of 260289823 is about 16133.5000232436. The cubic root of 260289823 is about 638.4874952249.

The spelling of 260289823 in words is "two hundred sixty million, two hundred eighty-nine thousand, eight hundred twenty-three".