23850857 has 2 divisors, whose sum is σ = 23850858. Its totient is φ = 23850856.

The previous prime is 23850823. The next prime is 23850887. The reversal of 23850857 is 75805832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18181696 + 5669161 = 4264^2 + 2381^2 .

It is a cyclic number.

It is not a de Polignac number, because 23850857 - 2¹² = 23846761 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23850857.

It is not a weakly prime, because it can be changed into another prime (23850887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11925428 + 11925429.

It is an arithmetic number, because the mean of its divisors is an integer number (11925429).

Almost surely, 2^23850857 is an apocalyptic number.

It is an amenable number.

23850857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23850857 is an equidigital number, since it uses as much as digits as its factorization.

23850857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 23850857 is about 4883.7339198609. The cubic root of 23850857 is about 287.8511681170.

The spelling of 23850857 in words is "twenty-three million, eight hundred fifty thousand, eight hundred fifty-seven".