25230823 has 4 divisors (see below), whose sum is σ = 25342200. Its totient is φ = 25119448.

The previous prime is 25230817. The next prime is 25230827. The reversal of 25230823 is 32803252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25230823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230827) 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, 55348 + ... + 55801.

It is an arithmetic number, because the mean of its divisors is an integer number (6335550).

Almost surely, 2^25230823 is an apocalyptic number.

25230823 is a deficient number, since it is larger than the sum of its proper divisors (111377).

25230823 is a wasteful number, since it uses less digits than its factorization.

25230823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111376.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 25230823 is about 5023.0292652940. The cubic root of 25230823 is about 293.2989257450.

The spelling of 25230823 in words is "twenty-five million, two hundred thirty thousand, eight hundred twenty-three".