25820925323 has 4 divisors (see below), whose sum is σ = 25821790008. Its totient is φ = 25820060640.

The previous prime is 25820925289. The next prime is 25820925341. The reversal of 25820925323 is 32352902852.

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 25820925323 - 2¹⁰ = 25820924299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25820925343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385886 + ... + 447827.

It is an arithmetic number, because the mean of its divisors is an integer number (6455447502).

Almost surely, 2^25820925323 is an apocalyptic number.

25820925323 is a deficient number, since it is larger than the sum of its proper divisors (864685).

25820925323 is an equidigital number, since it uses as much as digits as its factorization.

25820925323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864684.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 25820925323 in words is "twenty-five billion, eight hundred twenty million, nine hundred twenty-five thousand, three hundred twenty-three".