265313823 has 4 divisors (see below), whose sum is σ = 353751768. Its totient is φ = 176875880.

The previous prime is 265313803. The next prime is 265313843. The reversal of 265313823 is 328313562.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (265313803) and next prime (265313843).

It is a cyclic number.

It is not a de Polignac number, because 265313823 - 2⁶ = 265313759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265313803) by changing a digit.

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, 44218968 + ... + 44218973.

It is an arithmetic number, because the mean of its divisors is an integer number (88437942).

Almost surely, 2^265313823 is an apocalyptic number.

265313823 is a deficient number, since it is larger than the sum of its proper divisors (88437945).

265313823 is an equidigital number, since it uses as much as digits as its factorization.

265313823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88437944.

The product of its digits is 25920, while the sum is 33.

The square root of 265313823 is about 16288.4567408948. The cubic root of 265313823 is about 642.5692803812.

The spelling of 265313823 in words is "two hundred sixty-five million, three hundred thirteen thousand, eight hundred twenty-three".