230747857 has 2 divisors, whose sum is σ = 230747858. Its totient is φ = 230747856.

The previous prime is 230747827. The next prime is 230747887. The reversal of 230747857 is 758747032.

It is a balanced prime because it is at equal distance from previous prime (230747827) and next prime (230747887).

It can be written as a sum of positive squares in only one way, i.e., 229795281 + 952576 = 15159^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 230747857 - 2²⁷ = 96530129 is a prime.

It is not a weakly prime, because it can be changed into another prime (230747827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115373928 + 115373929.

It is an arithmetic number, because the mean of its divisors is an integer number (115373929).

Almost surely, 2^230747857 is an apocalyptic number.

It is an amenable number.

230747857 is a deficient number, since it is larger than the sum of its proper divisors (1).

230747857 is an equidigital number, since it uses as much as digits as its factorization.

230747857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 43.

The square root of 230747857 is about 15190.3869930953. The cubic root of 230747857 is about 613.3559163537.

The spelling of 230747857 in words is "two hundred thirty million, seven hundred forty-seven thousand, eight hundred fifty-seven".