265457323 has 4 divisors (see below), whose sum is σ = 268655688. Its totient is φ = 262258960.

The previous prime is 265457317. The next prime is 265457333. The reversal of 265457323 is 323754562.

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

It is a cyclic number.

It is not a de Polignac number, because 265457323 - 2²¹ = 263360171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265457333) 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, 1599058 + ... + 1599223.

It is an arithmetic number, because the mean of its divisors is an integer number (67163922).

Almost surely, 2^265457323 is an apocalyptic number.

265457323 is a deficient number, since it is larger than the sum of its proper divisors (3198365).

265457323 is an equidigital number, since it uses as much as digits as its factorization.

265457323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198364.

The product of its digits is 151200, while the sum is 37.

The square root of 265457323 is about 16292.8611054044. The cubic root of 265457323 is about 642.6851080847.

The spelling of 265457323 in words is "two hundred sixty-five million, four hundred fifty-seven thousand, three hundred twenty-three".