25363823 has 4 divisors (see below), whose sum is σ = 25534200. Its totient is φ = 25193448.

The previous prime is 25363799. The next prime is 25363829. The reversal of 25363823 is 32836352.

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 25363823 - 2⁸ = 25363567 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 25363823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25363829) 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, 84965 + ... + 85262.

It is an arithmetic number, because the mean of its divisors is an integer number (6383550).

Almost surely, 2^25363823 is an apocalyptic number.

25363823 is a deficient number, since it is larger than the sum of its proper divisors (170377).

25363823 is a wasteful number, since it uses less digits than its factorization.

25363823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170376.

The product of its digits is 25920, while the sum is 32.

The square root of 25363823 is about 5036.2508873169. The cubic root of 25363823 is about 293.8133813438.

The spelling of 25363823 in words is "twenty-five million, three hundred sixty-three thousand, eight hundred twenty-three".