16230857 has 2 divisors, whose sum is σ = 16230858. Its totient is φ = 16230856.

The previous prime is 16230853. The next prime is 16230859. The reversal of 16230857 is 75803261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10523536 + 5707321 = 3244^2 + 2389^2 .

It is an emirp because it is prime and its reverse (75803261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16230857 - 2² = 16230853 is a prime.

Together with 16230859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16230853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8115428 + 8115429.

It is an arithmetic number, because the mean of its divisors is an integer number (8115429).

Almost surely, 2^16230857 is an apocalyptic number.

It is an amenable number.

16230857 is a deficient number, since it is larger than the sum of its proper divisors (1).

16230857 is an equidigital number, since it uses as much as digits as its factorization.

16230857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 16230857 is about 4028.7537775347. The cubic root of 16230857 is about 253.1903507941.

The spelling of 16230857 in words is "sixteen million, two hundred thirty thousand, eight hundred fifty-seven".