230893081 has 2 divisors, whose sum is σ = 230893082. Its totient is φ = 230893080.

The previous prime is 230893057. The next prime is 230893097. The reversal of 230893081 is 180398032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157276681 + 73616400 = 12541^2 + 8580^2 .

It is a cyclic number.

It is not a de Polignac number, because 230893081 - 2⁷ = 230892953 is a prime.

It is a super-2 number, since 2×230893081² = 106623229707345122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230893001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115446540 + 115446541.

It is an arithmetic number, because the mean of its divisors is an integer number (115446541).

Almost surely, 2^230893081 is an apocalyptic number.

It is an amenable number.

230893081 is a deficient number, since it is larger than the sum of its proper divisors (1).

230893081 is an equidigital number, since it uses as much as digits as its factorization.

230893081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 230893081 is about 15195.1663696058. The cubic root of 230893081 is about 613.4845637305.

The spelling of 230893081 in words is "two hundred thirty million, eight hundred ninety-three thousand, eighty-one".