265123 has 2 divisors, whose sum is σ = 265124. Its totient is φ = 265122.

The previous prime is 265117. The next prime is 265129. The reversal of 265123 is 321562.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (265117) and next prime (265129).

It is a cyclic number.

It is not a de Polignac number, because 265123 - 2⁵ = 265091 is a prime.

It is equal to p₂₃₂₃₉ and since 265123 and 23239 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265123.

It is not a weakly prime, because it can be changed into another prime (265129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132561 + 132562.

It is an arithmetic number, because the mean of its divisors is an integer number (132562).

2²⁶⁵¹²³ is an apocalyptic number.

265123 is a deficient number, since it is larger than the sum of its proper divisors (1).

265123 is an equidigital number, since it uses as much as digits as its factorization.

265123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 19.

The square root of 265123 is about 514.9009613508. The cubic root of 265123 is about 64.2415190651.

Adding to 265123 its reverse (321562), we get a palindrome (586685).

The spelling of 265123 in words is "two hundred sixty-five thousand, one hundred twenty-three".