2605453400323 has 4 divisors (see below), whose sum is σ = 2634728157720. Its totient is φ = 2576178642928.

The previous prime is 2605453400321. The next prime is 2605453400377. The reversal of 2605453400323 is 3230043545062.

2605453400323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2605453400323 - 2¹ = 2605453400321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2605453400321) 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, 14637378565 + ... + 14637378742.

It is an arithmetic number, because the mean of its divisors is an integer number (658682039430).

Almost surely, 2^{2605453400323} is an apocalyptic number.

2605453400323 is a deficient number, since it is larger than the sum of its proper divisors (29274757397).

2605453400323 is an equidigital number, since it uses as much as digits as its factorization.

2605453400323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29274757396.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 2605453400323 its reverse (3230043545062), we get a palindrome (5835496945385).

The spelling of 2605453400323 in words is "two trillion, six hundred five billion, four hundred fifty-three million, four hundred thousand, three hundred twenty-three".