4253123365 has 4 divisors (see below), whose sum is σ = 5103748044. Its totient is φ = 3402498688.

The previous prime is 4253123363. The next prime is 4253123443. The reversal of 4253123365 is 5633213524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2511813924 + 1741309441 = 50118^2 + 41729^2 .

It is a cyclic number.

It is not a de Polignac number, because 4253123365 - 2¹ = 4253123363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4253123365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4253123363) 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, 425312332 + ... + 425312341.

It is an arithmetic number, because the mean of its divisors is an integer number (1275937011).

Almost surely, 2^4253123365 is an apocalyptic number.

It is an amenable number.

4253123365 is a deficient number, since it is larger than the sum of its proper divisors (850624679).

4253123365 is an equidigital number, since it uses as much as digits as its factorization.

4253123365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850624678.

The product of its digits is 64800, while the sum is 34.

The square root of 4253123365 is about 65215.9747684568. The cubic root of 4253123365 is about 1620.2026070074.

Adding to 4253123365 its reverse (5633213524), we get a palindrome (9886336889).

The spelling of 4253123365 in words is "four billion, two hundred fifty-three million, one hundred twenty-three thousand, three hundred sixty-five".