25323016173 has 16 divisors (see below), whose sum is σ = 41555719296. Its totient is φ = 13357195200.

The previous prime is 25323016153. The next prime is 25323016183. The reversal of 25323016173 is 37161032352.

It is a de Polignac number, because none of the positive numbers 2^k-25323016173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25323016133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46378878 + ... + 46379423.

It is an arithmetic number, because the mean of its divisors is an integer number (2597232456).

Almost surely, 2^25323016173 is an apocalyptic number.

It is an amenable number.

25323016173 is a deficient number, since it is larger than the sum of its proper divisors (16232703123).

25323016173 is a wasteful number, since it uses less digits than its factorization.

25323016173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92758324.

The product of its (nonzero) digits is 22680, while the sum is 33.

The spelling of 25323016173 in words is "twenty-five billion, three hundred twenty-three million, sixteen thousand, one hundred seventy-three".