25313145323 has 4 divisors (see below), whose sum is σ = 25313596800. Its totient is φ = 25312693848.

The previous prime is 25313145311. The next prime is 25313145329. The reversal of 25313145323 is 32354131352.

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 25313145323 - 2¹⁰ = 25313144299 is a prime.

It is a super-2 number, since 2×25313145323² (a number of 22 digits) contains 22 as substring.

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 25313145323.

It is not an unprimeable number, because it can be changed into a prime (25313145329) 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, 127340 + ... + 258537.

It is an arithmetic number, because the mean of its divisors is an integer number (6328399200).

Almost surely, 2^25313145323 is an apocalyptic number.

25313145323 is a deficient number, since it is larger than the sum of its proper divisors (451477).

25313145323 is an equidigital number, since it uses as much as digits as its factorization.

25313145323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451476.

The product of its digits is 32400, while the sum is 32.

Adding to 25313145323 its reverse (32354131352), we get a palindrome (57667276675).

The spelling of 25313145323 in words is "twenty-five billion, three hundred thirteen million, one hundred forty-five thousand, three hundred twenty-three".