260019823 has 6 divisors (see below), whose sum is σ = 302472096. Its totient is φ = 222874092.

The previous prime is 260019803. The next prime is 260019833. The reversal of 260019823 is 328910062.

It is not a de Polignac number, because 260019823 - 2⁵ = 260019791 is a prime.

It is a super-2 number, since 2×260019823² = 135220616705902658, 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 (260019803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2653215 + ... + 2653312.

It is an arithmetic number, because the mean of its divisors is an integer number (50412016).

Almost surely, 2^260019823 is an apocalyptic number.

260019823 is a deficient number, since it is larger than the sum of its proper divisors (42452273).

260019823 is an equidigital number, since it uses as much as digits as its factorization.

260019823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306541 (or 5306534 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 260019823 is about 16125.1301700172. The cubic root of 260019823 is about 638.2666500357.

Adding to 260019823 its reverse (328910062), we get a palindrome (588929885).

The spelling of 260019823 in words is "two hundred sixty million, nineteen thousand, eight hundred twenty-three".