230005823 has 2 divisors, whose sum is σ = 230005824. Its totient is φ = 230005822.

The previous prime is 230005799. The next prime is 230005837. The reversal of 230005823 is 328500032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230005823 - 2⁶ = 230005759 is a prime.

It is a super-2 number, since 2×230005823² = 105805357227814658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230005843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115002911 + 115002912.

It is an arithmetic number, because the mean of its divisors is an integer number (115002912).

Almost surely, 2^230005823 is an apocalyptic number.

230005823 is a deficient number, since it is larger than the sum of its proper divisors (1).

230005823 is an equidigital number, since it uses as much as digits as its factorization.

230005823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 230005823 is about 15165.9428655128. The cubic root of 230005823 is about 612.6977380717.

Adding to 230005823 its reverse (328500032), we get a palindrome (558505855).

The spelling of 230005823 in words is "two hundred thirty million, five thousand, eight hundred twenty-three".