265049423 has 2 divisors, whose sum is σ = 265049424. Its totient is φ = 265049422.

The previous prime is 265049413. The next prime is 265049467. The reversal of 265049423 is 324940562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265049423 - 2⁶ = 265049359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265049413) 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 as a sum of consecutive naturals, namely, 132524711 + 132524712.

It is an arithmetic number, because the mean of its divisors is an integer number (132524712).

Almost surely, 2^265049423 is an apocalyptic number.

265049423 is a deficient number, since it is larger than the sum of its proper divisors (1).

265049423 is an equidigital number, since it uses as much as digits as its factorization.

265049423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 265049423 is about 16280.3385407061. The cubic root of 265049423 is about 642.3557574121.

Adding to 265049423 its reverse (324940562), we get a palindrome (589989985).

The spelling of 265049423 in words is "two hundred sixty-five million, forty-nine thousand, four hundred twenty-three".