25311423 has 8 divisors (see below), whose sum is σ = 33827200. Its totient is φ = 16834968.

The previous prime is 25311421. The next prime is 25311443. The reversal of 25311423 is 32411352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25311423 - 2¹ = 25311421 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 25311423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25311421) 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 7 ways as a sum of consecutive naturals, for example, 8293 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (4228400).

Almost surely, 2^25311423 is an apocalyptic number.

25311423 is a deficient number, since it is larger than the sum of its proper divisors (8515777).

25311423 is a wasteful number, since it uses less digits than its factorization.

25311423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19661.

The product of its digits is 720, while the sum is 21.

The square root of 25311423 is about 5031.0459151155. The cubic root of 25311423 is about 293.6109087694.

Adding to 25311423 its reverse (32411352), we get a palindrome (57722775).

The spelling of 25311423 in words is "twenty-five million, three hundred eleven thousand, four hundred twenty-three".