265012223 has 4 divisors (see below), whose sum is σ = 302871120. Its totient is φ = 227153328.

The previous prime is 265012219. The next prime is 265012249. The reversal of 265012223 is 322210562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322210562 = 2 ⋅161105281.

It is a cyclic number.

It is not a de Polignac number, because 265012223 - 2² = 265012219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265012123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18929438 + ... + 18929451.

It is an arithmetic number, because the mean of its divisors is an integer number (75717780).

Almost surely, 2^265012223 is an apocalyptic number.

265012223 is a deficient number, since it is larger than the sum of its proper divisors (37858897).

265012223 is an equidigital number, since it uses as much as digits as its factorization.

265012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37858896.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 265012223 is about 16279.1960182314. The cubic root of 265012223 is about 642.3257042093.

Adding to 265012223 its reverse (322210562), we get a palindrome (587222785).

The spelling of 265012223 in words is "two hundred sixty-five million, twelve thousand, two hundred twenty-three".