25983823 has 2 divisors, whose sum is σ = 25983824. Its totient is φ = 25983822.

The previous prime is 25983787. The next prime is 25983827. The reversal of 25983823 is 32838952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25983823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25983827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12991911 + 12991912.

It is an arithmetic number, because the mean of its divisors is an integer number (12991912).

Almost surely, 2^25983823 is an apocalyptic number.

25983823 is a deficient number, since it is larger than the sum of its proper divisors (1).

25983823 is an equidigital number, since it uses as much as digits as its factorization.

25983823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 25983823 is about 5097.4329814133. The cubic root of 25983823 is about 296.1881526847.

The spelling of 25983823 in words is "twenty-five million, nine hundred eighty-three thousand, eight hundred twenty-three".