25768723 has 2 divisors, whose sum is σ = 25768724. Its totient is φ = 25768722.

The previous prime is 25768697. The next prime is 25768751. The reversal of 25768723 is 32786752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25768723 is a prime.

It is a super-3 number, since 3×25768723³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (25768783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12884361 + 12884362.

It is an arithmetic number, because the mean of its divisors is an integer number (12884362).

Almost surely, 2^25768723 is an apocalyptic number.

25768723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25768723 is an equidigital number, since it uses as much as digits as its factorization.

25768723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 25768723 is about 5076.2902793280. The cubic root of 25768723 is about 295.3685826673.

The spelling of 25768723 in words is "twenty-five million, seven hundred sixty-eight thousand, seven hundred twenty-three".